NIFTY · live

Premium decay since open

Spot —
Open ref — · Updated —
How to read: Each row is one strike. We compare today's first captured price (session open) with the current premium. ↓ Decay = premium fell (helps option sellers). ↑ Gain = premium rose (helps buyers / hurts sellers).
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ATM call
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ATM put
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Fastest decay
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Strike Call now Call change Put now Put change
↓ Decay — premium fell since open ↑ Gain — premium rose since open Gold row = at-the-money strike

What this page shows

Option prices naturally erode through the session (theta decay). This table shows exactly how much each strike's premium has moved since the first snapshot today — not vs yesterday's close, and not vs the index move.

Why can a strike decay when NIFTY is flat?

Time value shrinks every minute regardless of spot. OTM strikes often show the clearest decay because they start mostly as time value.