MRNA open interest by strike

From the closing options book · October 20, 2026 · updated after every close

At the October 20, 2026 close, MRNA options within 45 days held 80,842 calls and 27,591 puts in open interest, a put/call ratio of 0.34. The biggest call strike near the money was 250 and the biggest put strike 250.

80,842
Call OI
27,591
Put OI
0.34
Put/call OI
0.99
Put/call volume

MRNA open interest by strike, within 5% of the close

Strikeputs ← open interest → calls
252.5
250
247.5
245
242.5
240
237.5
235
232.5
230

250 carried 8,725 calls and 250 carried 1,144 puts.

Open interest counts contracts still open after the close; it settles overnight. Large strikes are where dealer hedging is concentrated, which is why open interest feeds the gamma levels and max pain on the other MRNA pages.

These are the October 20, 2026 closing numbers. Members see MRNA's map move live all session.

Common questions

What is MRNA's open interest?

80,842 calls and 27,591 puts within 45 days at the October 20, 2026 close.

Which MRNA strike has the most call open interest?

250 near the money, with 8,725 contracts.

Which MRNA strike has the most put open interest?

250 near the money, with 1,144 contracts.

Compare: open interest by strike on other tickers

Measured from the closing options book and rebuilt after every close. Nothing on this page is live. Levels are where dealer hedging is concentrated, not targets or forecasts. Not investment advice.