greeksoup/ stock research

Trupanion, Inc. options tape

These figures are updated after the US market closes, every trading day. For the live chain, go to CBOE's own page for TRUP.

Updated after the US market close on 9 October 2026, with Trupanion, Inc. at $26.06: open interest within 90 days was 1,550 call and 418 put contracts, a put/call ratio of 0.27; the day's volume was 248 calls and 0 puts (0.0). The most call open interest sits at the $27.50 strike (667 contracts) and the most put open interest at $30.00 (200). The at-the-money straddle for 16 October 2026, 4 days out, was priced at 10.0% of spot. For 20 November 2026, implied volatility was 62.5% at the put 5% below spot and 58.4% at the call 5% above, +4.0 points.

Spot$26.06+0.92% on the day
Put/call, open interest0.27418 puts, 1,550 calls
Put/call, volume0.00 puts, 248 calls
Priced move10.0%straddle to 16 October 2026, 4 days
30-day implied volatility54.1%
Put minus call IV, 5% out+4.0 ptsto 20 November 2026

Where the open interest sits

SideStrikeOpen interest
Calls$27.50667
Puts$30.00200

The strike with the most open interest on each side, across expiries within 90 days.

Source

Official exchange quotes, updated after each US market close. Figures describe positioning; they are not a forecast.

The same record on your computer

GreekSoup is also a free program for your own computer. It reads these same filings for the names you follow, refreshed as they land, with no account. One pasted line installs it.

Install