BSP open interest by strike

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

At the October 20, 2026 close, BSP options within 45 days held 1,456 calls and 5,276 puts in open interest, a put/call ratio of 3.62. The biggest call strike near the money was 45 and the biggest put strike 46.

1,456
Call OI
5,276
Put OI
3.62
Put/call OI
3.04
Put/call volume

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

Strikeputs ← open interest → calls
47
46
45
44

45 carried 167 calls and 46 carried 817 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 BSP pages.

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

Common questions

What is BSP's open interest?

1,456 calls and 5,276 puts within 45 days at the October 20, 2026 close.

Which BSP strike has the most call open interest?

45 near the money, with 167 contracts.

Which BSP strike has the most put open interest?

46 near the money, with 817 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.