October 28, 2025, the monthly options expiry day, delivered a dose of disappointment, particularly for traders anticipating a decisive upward move. Despite a positive lead from the GIFT Nifty, the domestic index ultimately settled with a minor loss, exhibiting high volatility and tricky price action that punished aggressive directional bets.

Why the Market Fell and Traded with Volatility Today

The Nifty closed marginally lower by 29.85 points (-0.11%) despite opening with positive undercurrents. This choppy movement and final decline can be attributed to a mix of technical resistance, global caution, and significant options market dynamics:

• Failure to Sustain Momentum: The market opened gap-down by 26.10 points at 25,939.95, immediately neutralizing the positive signal from the GIFT Nifty. Although it attempted a recovery, the Nifty future failed to cross the previous day’s high, indicating strong resistance and a lack of conviction among buyers at higher levels.
• Options Selling Dominance at Key Levels: The technical breakdown was immediate. In the first 5 minutes, the Nifty future showed a negative delta of 23,250 with a negative delta percentage of 16.03%. This confirmed that sellers were active from the very start, despite the initial attempt to push the index above the key psychological and Open Interest hurdle of 26,000
• The Volatility Trap: The market’s movement was characterized by sharp, two-sided swings. After crossing 26,000, a sudden wave of selling pressure drove the market down by almost 200 points toward the 25,800 support zone. This was followed by a recovery of 120 points, only to fall by another 140 points after entering a bearish Fair Value Gap (FVG) zone. This high-frequency, wide-range movement is a classic expiry-day phenomenon designed to maximize premium decay for options buyers and trap both bulls and bears who lack sufficient risk management.

My Trade Logic and Execution

My trade strategy for the expiry day was centered around capitalizing on options selling (shorting), anticipating the market would be capped near resistance and the impact of time decay (theta).

The market’s initial failure to hold above the previous day’s high and the inability of the buying imbalance candle to close above its Point of Control (POC) signaled weakness. I immediately initiated my options selling strategy by shorting Call Options at the 26,200, 26,000, and 25,800 strike prices.

When the market fell more sharply than expected, indicating potential directional risk, I proactively added Hedges to protect my short options position. This was a critical risk management step. As the day progressed and my position reached a satisfactory profit level, I chose to exit the trade safely. My decision to square off was primarily driven by the need to avoid the risk of a “gamma explosion” in the final hours of expiry, where sudden, sharp moves can rapidly increase losses for option sellers. The disciplined approach of selling with hedges and exiting at a favorable point proved successful today.

Market Summary: Key Technical Levels

Metric	Value	Interpretation
Opening	25,939.95 (Gap Down: 26.10 pts)	Indicated weak opening sentiment.
Day’s High/Low	26,041.70 / 25,810.05	231 point high volatility range.
Closing Price (LTP)	25,936.20	Marginal loss despite massive intraday swings.
Change	-29.85 pts (-0.11%)	Essentially a flat close after extreme volatility.
India VIX	11.95 (Up 0.76%)	Volatility slightly elevated, supporting options selling.
Point of Control (POC)	25,900	The price point where maximum trading volume occurred.
Resistance	26,100	Key level to watch for a sustained up move.
Support	25,800	Crucial support zone where market took reversal.

Bonus Point: The Perils of Pre-Market Judgment

Today serves as a powerful lesson: never make trading judgments based solely on GIFT Nifty or pre-market commentary from external sources. While the GIFT Nifty suggested a gap-up, the actual Nifty opened lower.

The key takeaway for expiry-day trading is to avoid averaging down on long options positions, as the rapid theta decay will accelerate losses. Furthermore, the belief that a ₹2 option will turn into ₹200 on expiry is a low-probability, high-risk speculation. Focus on the chart, observe the price action, and make a decision after the market opens and reveals its true intent.

Open Interest Analysis for November 4 Expiry

The Open Interest (OI) data for the next weekly expiry (November 4) provides insights into future market positioning:

• Highest Call OI is at 26,000: This indicates that traders view 26,000 as the immediate strong resistance for the upcoming week.
• Highest Put OI is at 25,500: This suggests that 25,500 is the major support level where maximum put writing has occurred.
• Highest Change in OI: The significant increase in both Call OI at 26,000 (up166.97%) and Put OI at 25,650 (up 187.33%) points to aggressive positioning and strong expectations of the Nifty trading within this broad range.

Sectoral Movement

The sectoral performance was mixed, reflecting a rotational sentiment:

• Gainer: The Banking sector showed resilience and contributed positively to the index, likely due to consistent domestic institutional buying and a positive outlook.
• Loser: The Energy sector was the main drag. This could be linked to the global news about Indian refiners pausing new Russian oil orders due to awaiting clarity on sanctions, which creates uncertainty for the sector’s import and refining margins.

Global & Domestic News

Global developments added layers of complexity:

• Oil & Trade Uncertainty: News that Indian refiners have paused new Russian oil orders creates short-term uncertainty for the energy market and India’s overall oil import bill, which was reflected in the Energy sector’s underperformance.
• Positive FDI Signal: The planned investment of over $1.5 billion in India by Lighthouse Canton across private credit and real estate is a strong vote of confidence from Foreign Institutional Investors (FIIs), providing underlying support for the Indian growth story and potentially the Real Estate sector.
• Legal & Educational DisclaimerThis post is for educational purposes only and does not constitute investment advice. Trading in securities is subject to market risks, and all readers are advised to consult a SEBI-registered advisor before taking trading decisions. All positions and P&L shared are to demonstrate market analysis and risk management, not to promote any trading platforms, products, or courses.