Tandem Diabetes Care Inc. (TNDM)
NASDAQ: TNDM
· Real-Time Price · USD
10.86
0.20 (1.88%)
At close: Aug 15, 2025, 1:07 PM
TNDM Option Overview
Overview for all option chains of TNDM. As of August 15, 2025, TNDM options have an IV of 500% and an IV rank of 295.31%. The volume is 448 contracts, which is 76.45% of average daily volume of 586 contracts. The volume put-call ratio is 0.39, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
500%IV Rank
295.31%Historical Volatility
90.25%IV Low
64.88% on Jan 30, 2025IV High
212.22% on Aug 14, 2025Open Interest (OI)
Today's Open Interest
14,863Put-Call Ratio
0.53Put Open Interest
5,144Call Open Interest
9,719Open Interest Avg (30-day)
10,279Today vs Open Interest Avg (30-day)
144.6%Option Volume
Today's Volume
448Put-Call Ratio
0.39Put Volume
125Call Volume
323Volume Avg (30-day)
586Today vs Volume Avg (30-day)
76.45%Option Chain Statistics
This table provides a comprehensive overview of all TNDM options grouped by their expiration dates.
| Expiration | Call Vol | Put Vol | P/C Vol | Call OI | Put OI | P/C OI | Implied Volatility | Max Pain |
| Aug 15, 2025 | 9 | 40 | 4.44 | 4,213 | 829 | 0.2 | 500% | 13 |
| Sep 19, 2025 | 20 | 40 | 2 | 1,455 | 508 | 0.35 | 174.64% | 11 |
| Oct 17, 2025 | 1 | 6 | 6 | 0 | 0 | 0 | 110.39% | 3 |
| Nov 21, 2025 | 7 | 26 | 3.71 | 1,629 | 813 | 0.5 | 117.97% | 15 |
| Jan 16, 2026 | 126 | 8 | 0.06 | 1,573 | 2,828 | 1.8 | 127.28% | 23 |
| Feb 20, 2026 | 101 | 5 | 0.05 | 321 | 50 | 0.16 | 100.97% | 12 |
| Dec 18, 2026 | 0 | 0 | 0 | 0 | 0 | 0 | 3.76% | 97.5 |
| Jan 15, 2027 | 59 | 0 | 0 | 528 | 116 | 0.22 | 91.46% | 15 |