Conceptual · Article 2.1.1.16
Floater Funds.
Auto-Adjust Coupons. Lower Rate Sensitivity, Not Zero.
Published as on 17 June 2026
Floater Funds are debt mutual funds that invest primarily in floating-rate bonds — bonds whose coupons reset every 3-6 months based on a benchmark rate (MIBOR, repo, T-bill). This reduces interest rate risk significantly: Modified Duration is typically 0.5-1.5 years, far lower than Short Duration funds at 1.5-3 years. Useful during rising or uncertain rate cycles. Feb 2026 context: RBI repo at 5.25% after 125 bps cuts during 2025; floater positioning today is more uncertainty hedge than rate-rise bet. Tax under Section 50AA: slab rate, identical to FDs.
3-6 mo
Coupon Reset
0.5-1.5
Modified Duration
1-3 yr
Typical Horizon
Slab
Tax (post-Apr 23)
Executive Summary · Page 2
Executive Summary · 6 Findings
Floater Funds are interest-rate-risk moderators, not return-maximisers. The coupon auto-adjust feature means NAV is less hurt during rate hikes (when fixed-rate bonds fall 3-5%) and benefits less during rate cuts (when fixed-rate bonds rally). They are tactical positioning tools — useful in rising or uncertain rate cycles, less useful in clearly falling-rate environments.
Covers the reset mechanism (MIBOR + Spread formula), why Modified Duration is so low (0.5-1.5 yr), comparison with Short Duration Funds and FDs, why credit risk (not rate risk) becomes the bigger danger, four common mistakes (late-cycle entry, ignoring credit, treating as guaranteed, expecting outperformance), four use scenarios, and the seven retail questions.
Key Findings
Coupons reset every 3-6 months — trail market rates with a lag.
Reset formula: Coupon = Benchmark Rate + Spread. Example: MIBOR + 1.5%. If MIBOR is 6.5% → bond pays 8.0%. If MIBOR rises to 7.25% → next reset → bond pays 8.75%. The coupon FOLLOWS the market rate with 3-6 month lag. Doesn't predict or jump ahead — trails and adjusts. Different from fixed-rate bonds that lock yesterday's rates.
Modified Duration 0.5-1.5 yr — far lower than fixed-rate peers.
Even if a floating-rate bond matures in 5 years, if its coupon resets every 3 months, the market treats it like a 3-month bond in terms of price sensitivity. Short Duration Fund: Modified Duration 1.5-3 yr → 1% rate rise = 2-3% NAV drop. Floater Fund: Modified Duration 0.5-1.5 yr → 1% rate rise = 0.5-1.5% NAV drop. Half to one-third the volatility.
Credit risk becomes the bigger danger — check Sovereign %.
Floater funds eliminate most rate risk but retain credit risk. 2018-19: several debt funds (including some floaters) holding IL&FS, DHFL, Essel Group bonds saw NAVs crash 20-50% on defaults. Sovereign > 60%: conservative. 30-60%: balanced. <30%: aggressive credit exposure. Always check factsheet.
Tax: slab rate post-April 2023. Identical to FDs.
Section 50AA: all gains at slab rate regardless of holding period. No LTCG, no indexation. Tax-deferral edge survives: FD interest taxed annually on accrual; floater gains taxed only at redemption. 30%-slab over 2 years on ₹10L: ~₹5,700 extra from deferred-tax compounding. Modest, but real if NAV stays stable.
Useful when rate direction uncertain — not for late-cycle rate-rise bets.
Floater funds shine in uncertain or rising rate cycles. They underperform in falling rate cycles (fixed-rate long-duration wins) and underperform in stable rate cycles (short-duration funds offer similar risk with potentially higher yields). Feb 2026: RBI neutral after 125 bps cuts — uncertain direction makes floater positioning defensible, but not heroic.
Direct plan: 0.20-0.35% vs 0.50-0.85% Regular.
Floater funds are operationally simple (limited bond universe, mostly mechanical resets). Direct plans 0.20-0.35%; Regular 0.50-0.85%. Over 2 years on ₹10L: ₹6,000-13,000 gap. Use AMC websites, Coin by Zerodha, Kuvera, MF Utility. The 0.3-0.5% expense difference matters more for floater funds because gross returns are already moderate.
At A Glance
| Metric | Value | Detail |
|---|---|---|
| Reset Period | 3-6 mo | Quarterly typical |
| Benchmark | MIBOR/Repo/T-bill | Linked rate |
| Modified Duration | 0.5-1.5 yr | Low |
| Macaulay Duration | Often <1 yr | Effective |
| Min Horizon | 1-3 years | Tactical |
| Direct Expense | 0.20-0.35% | Target ceiling |
| Tax (post-Apr 2023) | Slab Rate | FD-identical |
| Credit Check | Sovereign > 50% | Conservative |
Exhibit 01: Reset Mechanics
| Period | Market Rate | Bond Pays (MIBOR+1.5%) |
|---|---|---|
| Month 1 | 6.5% | 8.0% |
| Month 4 | 7.0% | 8.5% (reset) |
| Month 7 | 7.5% | 9.0% (reset) |
| Month 10 | 6.5% | 8.0% (reset down) |
Coupons trail market rates. Adjustments happen with 3-6 month lag. Works both ways — adjusts up in rising rates, down in falling rates. Don't expect outperformance in clearly falling cycles.
The Opening · Page 3
The Opening
Floater Funds invest in bonds whose interest payments adjust automatically when market rates change. Think of it as a thermostat that adjusts room temperature — the coupon resets every 3-6 months based on a benchmark like MIBOR (Mumbai Interbank Offered Rate), the RBI repo rate, or Treasury Bill yields. If the benchmark rises, your bond's next coupon rises; if it falls, the coupon falls.
"Floater Funds are shock absorbers in your debt portfolio — not the engine, not the brakes, just smoother handling. They reduce interest rate sensitivity (Modified Duration 0.5-1.5 years vs 1.5-3 years for Short Duration Funds) but don't eliminate it. They retain credit risk fully. Useful tactical tool during rising or uncertain rate cycles; less useful during clearly falling cycles."
The Shock-Absorber Frame
The mathematics. Coupon = Benchmark Rate + Spread. Example: MIBOR + 1.5%. If MIBOR rises from 6.5% to 7.0%, the bond's next coupon rises from 8.0% to 8.5%. The price stays relatively stable because the coupon adjusts, instead of bond price falling like a fixed-rate bond would. Modified Duration of 0.5-1.5 years means a 1% rate rise causes only 0.5-1.5% NAV decline.
Feb 2026 context. RBI at 5.25% after 125 bps of cuts during 2025. Policy stance neutral. Direction uncertain. Floater funds make sense as a positioning tool here — you don't need to predict whether RBI will cut, hold, or hike. You get adjusting income with low NAV volatility. But don't expect outperformance: if rates fall further, fixed-rate Short Duration / Corporate Bond Funds will deliver better returns. Floater is for uncertainty hedge, not directional bet.
Structure
Part I
How Resets Work, Modified Duration Math, vs Other Categories
Part II
Tax, vs FD / Short Duration / Liquid
Part III
When to Use, 4 Mistakes, Credit Quality Checks
Part IV
The Verdict: Tactical Tool for Uncertain Cycles
Use If
✓ 1-3 year horizon
✓ Rising/uncertain rate view
✓ Want lower NAV volatility
✓ Tactical positioning
Do NOT Use If
✕ <6 month parking
✕ Clearly falling rate cycle
✕ Need guaranteed returns
✕ 5+ year debt allocation core
Part I
How Resets Work, the Modified Duration Math, and Comparison with Other Debt Categories
The mechanics of MIBOR-linked coupon resets every 3-6 months, why Modified Duration is so low (0.5-1.5 years) despite long bond maturities, and the key differences vs Short Duration Funds, Liquid Funds, and Fixed Deposits.
Part I · Page 4
Reset Mechanism
Coupon = Benchmark + Spread
Common benchmarks: MIBOR (Mumbai Interbank Offered Rate), RBI repo rate, Treasury Bill rates.
Example: Bond pays "MIBOR + 1.5%".
MIBOR 6.5% → bond pays 8.0%.
MIBOR rises to 7.25% → next reset → bond pays 8.75%.
Coupon FOLLOWS market with 3-6 month lag. Trails, doesn't predict.
Who Issues These Bonds
✓ Government entities (floating rate savings bonds)
✓ Public sector banks (SBI, Bank of Baroda)
✓ Large corporations (floating-rate debentures)
Why Modified Duration Is Low
Key insight: Even if a floating-rate bond matures in 5 years, if its coupon resets every 3 months, the market treats it like a 3-month bond in terms of price sensitivity.
Modified Duration measures price change per 1% rate move. Floater bonds reset their coupon (instead of letting price fall), so Modified Duration is 0.5-1.5 years — far lower than the bond's actual maturity.
1% Rate Rise Impact
| Fund Type | NAV Impact |
|---|---|
| Liquid Fund | ~0.1% |
| Floater Fund | -0.5% to -1.5% |
| Short Duration | -1.5% to -2.5% |
| Long Duration | -7% to -10% |
vs Short Duration Fund
| Feature | Floater | Short Duration |
|---|---|---|
| Bond Type | Floating-rate | Fixed-rate |
| Modified Dur | 0.5-1.5 yr | 1.5-3 yr |
| In Rate Rise | Mild NAV drop | Larger NAV drop |
| In Rate Fall | Lower gains | Higher gains |
| Return Driver | Adjusting income | Price + income |
₹5L Worked Example (1% Rate Rise)
Short Duration: Year 1 ≈ -2% capital + 7.5% income = 5.5%. Year 2 ≈ 8% (adjustment).
Floater: Year 1 ≈ -0.7% capital + 7.8% income = 7.1%. Year 2 ≈ 8.5% (full reset).
vs Liquid Fund
| Feature | Floater | Liquid |
|---|---|---|
| Horizon | 1-3 yr | 1d - 3 mo |
| Modified Dur | 0.5-1.5 yr | Near zero |
| Returns | 7-8% | 6.5-7% |
| For <6 mo | Not suitable | Ideal |
Part II
Tax (Section 50AA), and Comparison with FDs / Short Duration / Liquid Funds
Why Section 50AA made floater funds tax-identical to FDs at slab rate, why the tax-deferral edge is the only structural surviving advantage, and the comparison framework that determines when floater funds beat (or lose to) alternatives.
Part II · Page 6
Tax — Post-April 2023
Section 50AA — Slab Rate Always
All gains taxed at slab rate regardless of holding period.
Example (30% slab): ₹75K gain → ₹22,500 tax → ₹52,500 post-tax.
20% slab: ₹15K tax → ₹60K post-tax.
No indexation benefit (eliminated by Finance Act 2023).
Pre-April 2023 Grandfathered
| Scenario | Tax |
|---|---|
| Sold post-Jul 23 2024, >24 mo | 12.5% LTCG (no index.) |
| Below threshold | Slab |
Tax-Deferral Math (₹10L, 2 yr, 30% slab)
FD vs Floater Compared
FD at 7.5%: Year 1: ₹75K interest → ₹22,500 tax → Net ₹52,500.
Year 2: ₹78,937 interest → ₹23,681 tax → Net ₹55,256.
Total post-tax gain: ₹1,07,756.
Floater at 7.8% (stable NAV): 2-yr value ₹11,62,084. Total gain ₹1,62,084. Tax ₹48,625. Net ₹1,13,459.
Edge: ₹5,703 from tax deferral (about 0.30% per year).
NRI
30% TDS (or 20% under DTAA) plus surcharge/cess. Form 10F + tax residency certificate for DTAA. Refund via ITR if applicable.
vs Bank FD (1-yr)
| Feature | Floater | 1-yr FD |
|---|---|---|
| Returns | 7-8% variable | 7.0-7.5% locked |
| Capital Guarantee | No | Yes (DICGC ≤ ₹5L) |
| Liquidity | Anytime at NAV | Penalty |
| Tax Timing | At redemption | Annually |
| Lock-in | None | Fixed |
Exit Load
Most floater funds have zero exit load. Some charge 0.25% if redeemed within 15-30 days. Always check the SID. Means floater funds are reasonably flexible for medium-term (1-3 yr) positioning.
When Tax-Deferral Edge Disappears
✕ If floater NAV declines (credit event or large rate move) → loss eats the tax saving
✕ If you're in 5% slab → small tax differential
✕ If FD rate exceeds floater return — happens occasionally
Part III
When to Use Floater Funds, the Four Common Mistakes, and Credit Quality Checks
Four use scenarios (uncertain rate cycle, stepping down from riskier debt, FD alternative, complementing fixed-rate debt), the four mistakes that destroy returns (late-cycle entry, ignoring credit, treating as guaranteed, expecting outperformance), and the Sovereign % check that separates conservative from aggressive floater funds.
Part III · Page 8
Four Use Scenarios
Uncertain Rate Cycle
RBI direction unclear — could hike, hold, or cut. Floater adapts to either direction without dramatic NAV swings. Feb 2026 fits this profile after 125 bps cuts and neutral stance.
Stepping Down from Riskier Debt
Holding credit-risk or long-duration funds, want to reduce volatility. Floater = bridge before moving to safer categories like Short Duration or Liquid.
Tax-Efficient FD Alternative
30%-slab, 1-2 yr horizon. Floater tax deferral adds ~0.3%/yr edge. Works only if NAV stays stable and floater return matches or beats FD.
Complement Fixed-Rate Holdings
Already hold Corporate Bond / Banking PSU / Short Duration (all fixed-rate). Add floater for non-correlated return — fixed-rate NAVs fall during hikes, floater stays stable.
Sample Allocation
| Bucket | Allocation | Vehicle |
|---|---|---|
| Stability (60%) | ₹6L | Short Dur / Corp Bond |
| Rate-Hedge (30%) | ₹3L | Floater Fund |
| Liquidity (10%) | ₹1L | Liquid Fund |
For ₹10L debt allocation. Floater is the rate-uncertainty hedge, not the core.
Four Common Mistakes
Entering After Rates Peak
RBI paused April 2023 after 250 bps of hikes. Investors who shifted to floater in May-June missed benefit then saw returns moderate as rate-cut expectations grew. Floater = positioning tool, not reaction to past hikes.
Ignoring Credit Quality
"It's a floater" — but what bonds? Fund A: 80% AAA, 15% G-Sec, 5% AA → safer. Fund B: 40% AAA, 30% AA, 20% A, 10% unrated → IL&FS-style risk. Always check factsheet.
Treating as Guaranteed Savings
"Debt fund = safe like FD." Wrong. Market-linked. NAV fluctuates daily. No DICGC. Capital can erode from credit events.
Expecting Outperformance Across Cycles
"Floater beats all debt categories." Wrong. Rising rates: floater does well. Falling rates: long-duration wins. Stable rates: short-duration competitive. Use for intended purpose only.
Credit Quality Check
| Sovereign % | Risk Profile |
|---|---|
| > 60% | Conservative (safer) |
| 30-60% | Balanced |
| < 30% | Aggressive (higher credit risk) |
Portfolio Review Questions
1. Why did I buy this? To reduce rate risk (valid) or because someone said rates are rising (reactionary)?
2. Horizon? 1-3 yr (appropriate) vs <6 mo (use Liquid) vs 5+ yr (consider dynamic / long-duration).
3. Overlap with other holdings? Diversifying or duplicating?
4. Credit quality + Sovereign %? Aim for AAA+Sovereign > 80%.
Part IV
The Verdict
Shock absorbers. Tactical, not core.
Part IV: The Verdict · Page 10
30-Second Summary
Floater Funds invest in bonds whose coupons reset every 3-6 months based on market benchmarks (MIBOR, repo, T-bill). This reduces interest rate sensitivity dramatically — Modified Duration 0.5-1.5 years vs 1.5-3 years for Short Duration Funds. They are useful tactical positioning tools during rising or uncertain rate cycles, but underperform in clearly falling cycles where fixed-rate long-duration funds win.
Tax under Section 50AA is identical to FDs (slab rate always for post-April 2023 units). Tax-deferral edge survives at ~0.3% per year. Credit risk becomes the bigger danger — verify Sovereign + AAA percentage in factsheet, aim for > 70%. Feb 2026: RBI neutral after 125 bps cuts during 2025 — floater positioning today is uncertainty hedge, not aggressive rate-rise bet. Direct plans (0.20-0.35%) versus Regular (0.50-0.85%) is the cost leverage point.
"Floater funds reduce interest rate sensitivity but retain credit risk fully. They are shock absorbers in your debt portfolio — not the engine, not the brakes, just smoother handling. Useful during rising or uncertain rate cycles; underperform during clearly falling cycles. Use them as a 10-30% slice of debt allocation for rate-risk moderation, not as the core holding or emergency fund."
The Final Orientation
ADWIZR · June 2026
Decision Rules
Use Correctly As
✓ 1-3 year tactical horizon
✓ Direct plan, Growth
✓ Sovereign + AAA > 70%
✓ 10-30% of debt
Misuse Destroys Value
✕ <6 month parking
✕ Emergency fund
✕ Treating as FD substitute
✕ Late-cycle rate-rise bet
Triggers to Reassess
When to Open the Factsheet Again
(1) Rate cycle clearly turns downward — switch to Short Duration / Corporate Bond for higher gains. (2) Credit quality drift — Sovereign + AAA falls below 70%, switch peer. (3) Spread widening signals stress — review credit holdings. (4) Expense above 0.40% (Direct) — switch.
Investor FAQ
Questions Indian Investors Ask
Seven questions, answered directly.
Investor FAQ · Page 12
Frequently Asked Questions
Q1 Can I lose money in a floater fund?
Q2 How are floater funds taxed in India?
Q3 Floater or liquid for 6 months?
Q4 What happens when rates fall?
Q5 How do I check bond quality?
Q6 Higher returns than bank FDs?
Q7 Is there a lock-in period?
Key Terms & Definitions
Floater Fund
A debt mutual fund that primarily invests in floating-rate bonds — bonds whose coupons reset every 3-6 months based on a benchmark rate (MIBOR, RBI repo, T-bill). Designed to reduce interest rate sensitivity vs fixed-rate debt funds.
Coupon Reset
The mechanism by which floating-rate bond interest is re-priced periodically (typically every 3-6 months) based on a benchmark rate plus a fixed spread. Coupon = Benchmark + Spread. Allows the bond's income to follow market rates with a lag.
MIBOR
Mumbai Interbank Offered Rate — the benchmark rate at which Indian banks lend to each other in the overnight money market. A common reset benchmark for floating-rate corporate bonds in India.
Modified Duration
The percentage change in NAV per 1% change in interest rates. For floater funds, typically 0.5-1.5 years — far lower than the bond's actual maturity because coupon resets absorb most of the rate change instead of price falling.
Section 50AA
Finance Act 2023 provision: for units of debt mutual funds (including floaters) bought on or after April 1, 2023, all gains are taxed at slab rate regardless of holding period. Eliminated the LTCG advantage.
Sovereign Safety Check
Reviewing a floater fund's factsheet for the Sovereign + AAA exposure percentage. >60% = conservative. 30-60% = balanced. <30% = aggressive credit exposure. Critical because floater funds eliminate most rate risk but retain credit risk fully.