Tandem Diabetes Care (TNDM) options traded 41 contracts on October 16, 2026 (21 calls and 20 puts, a put/call ratio of 0.95), compared with a 30-day average of 176. Options price a move of about ±3.6% by the nearest expiration.

Key numbers

30-day implied volatility (IV30): 62.4%
Implied move by the nearest expiration: ±3.6%
Option volume: 41 contracts (21 calls, 20 puts); 30-day average 176

Data as of October 16, 2026.

TNDM Option Breakdown

A breakdown of key statistics for each option expiration listed for TNDM. View implied volatility, volatility skew, volume, open interest, straddle premiums, and liquidity -- including bid/ask spread and NBBO bid/ask sizes. Includes links to the option chain, as well as numerous detailed charts.

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