NIFTY Option Chain – OI, Volume & IV Report
Date: 10 Oct 2025 | Expiry: 14 Oct 2025 | Underlying: NIFTY (Spot-based)
Summary: The NIFTY option structure indicates strong Put OI buildup with heavy new additions, forming a solid support base around 25200–25300. Call OI remains moderate with light additions, suggesting resistance around 25400–25700. Rising implied volatility (IV) signals continuation of the current bullish trend.
1️⃣ Aggregate Market Data
| Metric | CALL Side | PUT Side | Interpretation |
|---|---|---|---|
| Total Volume | 3,631,543,350 | 3,312,178,050 | High two-way participation; slightly higher on Calls. |
| Total OI | 156,599,925 | 201,871,875 | Put OI higher → stronger downside protection. |
| Change in OI (ΔOI) | +6,878,925 | +61,829,100 | Massive Put OI buildup → bullish confirmation. |
| Implied Volatility (IV) | Mildly rising | Continuation of trend — bullish confirmation. | |
2️⃣ Observations & Interpretations
| Observation | Interpretation |
|---|---|
| High Put OI > Call OI | Support Zone Dominant — Traders expect NIFTY to stay above key put strikes. |
| Rising Put OI (+61.8M) | Bullish — New support forming; buyers defending the base. |
| Mild rise in Call OI (+6.8M) | Moderate resistance — sellers cautious, not heavy call writing. |
| High Volumes | Fresh positioning — active interest, not unwinding. |
| Rising IV | Continuation of current trend, confirming momentum. |
3️⃣ Strike-wise Support & Resistance Map
| Category | Strike | Strength (1–10) | Reasoning |
|---|---|---|---|
| Primary Support | 25300 | 9.8 | Highest Put OI & ΔOI; major floor zone. |
| Secondary Support | 25200 | 8.6 | Layered support, strong base below pivot. |
| Newly Built Support | 25050 | 6.1 | Fresh put writing indicates emerging support. |
| Primary Resistance | 25300 | 9.7 | Dual OI cluster; decisive control zone. |
| Secondary Resistance | 25400 | 8.4 | Moderate call buildup — short-term ceiling. |
| Newly Built Resistance | 25700 | 6.3 | New call additions; resistance forming higher up. |
4️⃣ Trend & Sentiment Evaluation
| Indicator | Signal | Interpretation |
|---|---|---|
| OI Composition | Put-heavy | Downside protection strong; bullish base building. |
| ΔOI Behavior | Put ΔOI >> Call ΔOI | Fresh long bias, strong conviction in support. |
| Volume Profile | Balanced | High two-way trade; stable sentiment. |
| Implied Volatility | Mildly rising | Continuation of trend — bullish confirmation. |
5️⃣ Trade Plan (Analytical)
| Trade Type | Entry Zone | Stop-Loss | Target | Logic |
|---|---|---|---|---|
| Long / Bullish | Above 25350 (sustain >25300) | 25200 | 25500 → 25700 | Breakout above pivot; strong support confirmation. |
| Short / Bearish | Below 25200 | 25350 | 25050 → 24900 | Breakdown below support; put unwinding. |
| Range / Neutral | 25200 – 25400 | — | — | Ideal for short straddles while IV stable. |
6️⃣ Final Outlook
Primary Support: 25300 | Secondary Support: 25200 | Resistance: 25400 – 25700
Market Bias: Bullish to Range-bound with Upward Bias
IV View: Implied Volatility indicates continuation of the trend — no signs of reversal or exhaustion yet.
7️⃣ Conclusion
The NIFTY option data reflects a bullish structure supported by strong Put OI and heavy additions at 25300 and 25200. Resistance exists near 25400–25700 but lacks aggressive expansion. Rising IV further validates continuation of the existing trend. Hence, the market remains in a bullish-to-range consolidation phase with 25300 as the key pivot.
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