Original Lens and publication context

Three sessions of derivative data tell a complete story: a geopolitical headline shook out a thin slice of the short base, retail stepped in to amplify the move, and by Thursday the bears were back adding positions.

  • FII index-futures short open interest closed 9 April at 3,06,724 contracts — 91.5% of the 3,35,203 base is intact. Only 25,398 shorts were closed on the 8 April rally.
  • The 8 April cover was real but thin: FII bought 32,035 net index futures, yet total FII derivative volume was 5.4× lower than Monday and retail's share of volume jumped from 32.4% to 40.8% — momentum amplification, not institutional accumulation.
  • Thursday confirmed it: FII sold stock futures net (–8,593 lots), aggregate market OI expanded on both the rally (+1.63%) and the selloff (+1.88%), and FII put longs hit 8,00,192 with the put/call ratio at 1.73× — the hedge is fully reinstated.
  • Rates are the north star. Crude settling above consensus keeps inflation sticky and the RBI constrained; any equity rally built on re-accelerating cuts rests on fragile foundations.
  • Base case for the next 48 hours is range-bound into the 10 April talks; visible disagreement on Hormuz would unwind optimism faster than it was built. The downside view belongs in options structures. Regime reassessment needs short OI sustained below 2,50,000 contracts.

3,06,724

91.5% of base intact

–25,398

of 3,35,203 base

1.73×

Hedge rebuilt

5.4×

vs 7 Apr baseline

25

2 in F&O ban

GEOPOLITICS

The ceasefire already looks more fragile than the market priced in. Talks start 10 April. The Strait of Hormuz remains unresolved — and as long as it is, it is structurally irrational for Tehran to allow normalisation of oil flows. That is their only card.

Dec-26 Brent moved back above its prior close even as the front contract fell. The curve is not complacent about the back end. SPR drawdowns need to be replaced. If a managed Hormuz toll becomes structural, that is a permanent change to the global oil cost base — not a temporary disruption. Markets have not begun to price that tail.

India's exposure is specific: a net crude importer, a current account structurally sensitive to oil, a rupee already under pressure, and limited fiscal room to subsidise a prolonged spike. The equity market is treating geopolitical risk as contained. The bond market and the currency are less sanguine.

FLOWS

The risk-reward up here feels poor. But positioning is doing the market's work — and that is worth taking seriously before fading it.

What that number doesn't show: total FII derivative volume on Wednesday was 5.4× lower than Monday. Retail participant market share jumped from 32.4% to 40.8%. That is a momentum-amplification signature, not institutional accumulation. The covering was real. The conviction behind it was not.

FII INDEX FUTURES — SHORT OI END-OF-DAY SHORT CONTRACTS + EOD VALUE (₹ CR)
FII INDEX FUTURES — SHORT OI END-OF-DAY SHORT CONTRACTS + EOD VALUE (₹ CR)

Supplied archive exhibit · original labels. Read alongside the editorial corrections.

FII DERIVATIVE VOLUME — ACTIVITY COLLAPSE TOTAL FII CONTRACTS TRADED PER SESSION
FII DERIVATIVE VOLUME — ACTIVITY COLLAPSE TOTAL FII CONTRACTS TRADED PER SESSION

Supplied archive exhibit · original labels. Read alongside the editorial corrections.

Thursday confirmed the read. FII were net sellers of stock futures (–8,593 lots) with index futures essentially flat (–318). Aggregate market OI expanded on both the rally day (+1.63%) and the selloff day (+1.88%). In a genuine short-cover rally, OI compresses. Two consecutive sessions of expansion mean outstanding contracts increased. Aggregate open interest alone does not reveal whether the initiating flow was predominantly buying or selling.

AGGREGATE MARKET OI — ALL F&O STOCKS TOTAL CONTRACTS ACROSS 213 ELIGIBLE SECURITIES
AGGREGATE MARKET OI — ALL F&O STOCKS TOTAL CONTRACTS ACROSS 213 ELIGIBLE SECURITIES

Supplied archive exhibit · original labels. Read alongside the editorial corrections.

PARTICIPANT SHARE OF DERIVATIVE VOLUME % OF TOTAL MARKET BY CATEGORY — RETAIL SURGED ON RALLY
PARTICIPANT SHARE OF DERIVATIVE VOLUME % OF TOTAL MARKET BY CATEGORY — RETAIL SURGED ON RALLY

Supplied archive exhibit · original labels. Read alongside the editorial corrections.

POSITIONING

FII Put Longs hit 8,00,192 on Thursday — the highest in the three-day window. The hedge wasn't unwound. It was briefly trimmed and has been fully reinstated.

FII NET FUTURES POSITION — INDEX VS STOCK NET LOTS PER SESSION. WEDNESDAY SPIKE SHOWS THE COVER.
FII NET FUTURES POSITION — INDEX VS STOCK NET LOTS PER SESSION. WEDNESDAY SPIKE SHOWS THE COVER.

Supplied archive exhibit · original labels. Read alongside the editorial corrections.

FII PUT/CALL RATIO + PUT LONGS P/C RATIO HELD 1.71–1.73×. PUT LONGS GROWING.
FII PUT/CALL RATIO + PUT LONGS P/C RATIO MOVED FROM 2.08× TO 1.71× TO 1.73×. PUT LONGS GREW ON THE FINAL SESSION.

Supplied archive exhibit · original labels. Read alongside the editorial corrections.

The gross-short in Indian index derivatives was too large going into the event. The covering was mechanical and inevitable once a catalyst emerged — the size of the move was a function of positioning, not of the news itself. That is now substantially complete at the index level.

PARTICIPANT NET OI — LONG MINUS SHORT (ALL SEGMENTS)

FII consistently net long. DII structurally short via portfolio hedging. Millions of contracts.

Original report exhibit 7: PARTICIPANT NET OI — LONG MINUS SHORT (ALL SEGMENTS)

Supplied archive exhibit · original labels. Read alongside the editorial corrections.

RATES & MACRO

Ignore equities for now. Rates are the north star.

The base case before the Iran escalation was already one of sticky inflation and a constrained RBI. The rates distribution that matters is not the tail scenario of aggressive hikes into a full-blown oil shock — that tail has low probability. What is being repriced is subtler: crude settles higher than consensus, refined products stay elevated, growth doesn't collapse, and inflation remains sticky enough that the RBI cannot resume its cutting cycle on the previously expected timeline.

Any equity rally built on re-accelerating RBI cuts is on fragile foundations. The ceasefire removes the acute tail. The chronic tail — oil above consensus, rupee under pressure, fiscal space limited — remains.

RISK

The base case for the next 48 hours is range-bound. Neither side has an incentive to visibly break down before talks begin. But the market has already priced a degree of resolution optimism.

The asymmetric risk is the reverse of what we saw Wednesday. If the 10 April talks produce visible disagreement — particularly around Hormuz transit — the unwind of that optimism will be faster than its build. We have seen this pattern twice in the last six weeks.

There is a tidal wave of technical demand supporting equities in the near term — CTA momentum, short covering mechanics, vol compression. We respect that. But we do not like the level. If vol compression extends far enough, the right expression of the downside view is structures in options, where the cost is compressed and the payoff is asymmetric.

MWPL & BAN LIST

25 stocks above 80% MWPL utilisation. Two in the F&O ban. One name crossed 100% on Thursday. When participants cannot add shorts in individual names, the view gets expressed through options — driving premium and skew higher.

Jubilant FoodWorks

112.0%

Near Ban

Steel Authority of India

105.5%

F&O BAN

Exide Industries

102.4%

Near Ban

Inox Wind

95.7%

Near Ban

LIC Housing Finance

95.1%

Near Ban

Bosch

93.5%

Near Ban

Bandhan Bank

90.3%

Near Ban

National Aluminium

85.9%

Near Ban

QUICK REFERENCE — 7–9 APRIL 2026

FII Index Fut Short OI

3,35,203

FII Total Net OI (L–S)

FII Index Fut Net (lots)

FII Stock Fut Net (lots)

FII Put/Call Long Ratio

FII Derivative Volume

2.46 Cr

45.2 L

51.6 L

Retail % of Deriv. Volume

32.4%

Aggregate Market OI

23.25 Bn

Stocks in F&O Ban

1