Options Chain for TANDEM DIABETES CARE INC COM NEW (TNDM) - $18.52 as of 2/20/2026 12:20:32 PM EST
Calls
| Strike | Bid | Ask | Premium | Last Price | Change | %Chg | Premium to Strike Price Ratio | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10.00 | 12.70 | 16.70 | 14.70 | 9.70 | 0.00 | 0.00% | 1.47 | 0 | 15 | 4.27 | 1.00 | 0.00 | 0.00 | 2/13/2026 | 2/20/2026 3:59:56 PM EST |
| 12.00 | 11.00 | 14.70 | 12.85 | % | 1.07 | 0 | 0 | 3.55 | 1.00 | 0.00 | 0.00 | 2/20/2026 3:59:56 PM EST | |||
| 13.00 | 10.00 | 13.70 | 11.85 | % | 0.91 | 0 | 0 | 3.25 | 1.00 | 0.00 | 0.00 | 2/20/2026 3:59:56 PM EST | |||
| 14.00 | 9.50 | 12.40 | 10.95 | % | 0.78 | 0 | 0 | 2.76 | 0.99 | 0.00 | -0.01 | 2/20/2026 3:59:56 PM EST | |||
| 15.00 | 8.60 | 10.20 | 9.40 | 10.04 | +5.54 | +123.12% | 0.63 | 2 | 0 | 1.65 | 0.97 | 0.01 | -0.01 | 2/20/2026 | 2/20/2026 3:59:56 PM EST |
| 16.00 | 7.70 | 9.90 | 8.80 | 7.50 | +3.53 | +88.92% | 0.55 | 2 | 2 | 1.98 | 0.97 | 0.01 | -0.01 | 2/20/2026 | 2/20/2026 3:59:56 PM EST |
| 17.00 | 6.60 | 8.90 | 7.75 | % | 0.46 | 0 | 0 | 1.78 | 0.96 | 0.02 | -0.01 | 2/20/2026 3:59:56 PM EST | |||
| 18.00 | 5.70 | 7.60 | 6.65 | 6.80 | +4.89 | +256.03% | 0.37 | 11 | 26 | 1.42 | 0.91 | 0.03 | -0.02 | 2/20/2026 | 2/20/2026 3:59:56 PM EST |
| 19.00 | 4.90 | 7.10 | 6.00 | 7.00 | +5.50 | +366.67% | 0.32 | 38 | 40 | 1.53 | 0.88 | 0.03 | -0.03 | 2/20/2026 | 2/20/2026 3:59:56 PM EST |
| 20.00 | 4.00 | 6.30 | 5.15 | 5.37 | +4.06 | +309.93% | 0.26 | 14 | 25 | 1.44 | 0.85 | 0.04 | -0.03 | 2/20/2026 | 2/20/2026 3:59:56 PM EST |
| 21.00 | 3.20 | 4.70 | 3.95 | 4.40 | +3.45 | +363.16% | 0.19 | 16 | 12 | 0.99 | 0.80 | 0.05 | -0.03 | 2/20/2026 | 2/20/2026 3:59:56 PM EST |
| 22.00 | 3.20 | 3.70 | 3.45 | 4.35 | +3.59 | +472.37% | 0.16 | 10 | 4 | 0.67 | 0.75 | 0.06 | -0.03 | 2/20/2026 | 2/20/2026 3:59:56 PM EST |
| 23.00 | 2.55 | 3.00 | 2.78 | 1.90 | +1.32 | +227.59% | 0.12 | 4 | 47 | 0.67 | 0.68 | 0.08 | -0.03 | 2/20/2026 | 2/20/2026 3:59:56 PM EST |
| 24.00 | 2.00 | 2.40 | 2.20 | 2.07 | +1.04 | +100.98% | 0.09 | 807 | 8 | 0.67 | 0.61 | 0.09 | -0.04 | 2/20/2026 | 2/20/2026 3:59:56 PM EST |
| 25.00 | 1.50 | 1.95 | 1.73 | 1.70 | +0.47 | +38.22% | 0.07 | 88 | 4 | 0.67 | 0.52 | 0.09 | -0.03 | 2/20/2026 | 2/20/2026 3:59:56 PM EST |
| 26.00 | 1.05 | 1.45 | 1.25 | 1.07 | % | 0.05 | 10 | 0 | 0.64 | 0.43 | 0.09 | -0.03 | 2/20/2026 | 2/20/2026 3:59:56 PM EST | |
| 27.00 | 0.75 | 1.15 | 0.95 | 1.05 | +0.20 | +23.53% | 0.04 | 1 | 450 | 0.65 | 0.35 | 0.08 | -0.03 | 2/20/2026 | 2/20/2026 3:59:56 PM EST |
| 28.00 | 0.50 | 0.90 | 0.70 | 0.88 | +0.18 | +25.72% | 0.02 | 1 | 1 | 0.65 | 0.28 | 0.07 | -0.03 | 2/20/2026 | 2/20/2026 3:59:56 PM EST |
| 29.00 | 0.35 | 0.80 | 0.58 | % | 0.02 | 0 | 0 | 0.68 | 0.23 | 0.06 | -0.03 | 2/20/2026 3:59:56 PM EST | |||
| 30.00 | 0.25 | 0.55 | 0.40 | 0.50 | +0.37 | +284.62% | 0.01 | 159 | 1 | 0.67 | 0.18 | 0.06 | -0.02 | 2/20/2026 | 2/20/2026 3:59:56 PM EST |
| 35.00 | 0.00 | 0.60 | 0.30 | 0.65 | % | 0.01 | 6 | 0 | 1.13 | 0.04 | 0.02 | -0.01 | 2/20/2026 | 2/20/2026 3:59:56 PM EST |
Puts
| Strike | Bid | Ask | Premium | Last Price | Change | %Chg | Premium to Strike Price Ratio | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10.00 | 0.00 | 0.05 | 0.03 | % | 0.00 | 0 | 0 | 1.60 | 0.00 | 0.00 | 0.00 | 2/20/2026 3:59:56 PM EST | |||
| 12.00 | 0.00 | 0.55 | 0.28 | 0.22 | 0.00 | 0.00% | 0.02 | 0 | 1 | 2.16 | 0.00 | 0.00 | 0.00 | 2/9/2026 | 2/20/2026 3:59:56 PM EST |
| 13.00 | 0.00 | 0.95 | 0.48 | 0.30 | 0.00 | 0.00% | 0.04 | 0 | 4 | 2.34 | 0.00 | 0.00 | 0.00 | 2/10/2026 | 2/20/2026 3:59:56 PM EST |
| 14.00 | 0.00 | 0.95 | 0.48 | 0.50 | 0.00 | 0.00% | 0.03 | 0 | 10 | 2.13 | -0.01 | 0.00 | -0.01 | 1/28/2026 | 2/20/2026 3:59:56 PM EST |
| 15.00 | 0.05 | 0.20 | 0.13 | 0.14 | -0.56 | -80.00% | 0.01 | 4 | 43 | 1.08 | -0.03 | 0.01 | -0.01 | 2/20/2026 | 2/20/2026 3:59:56 PM EST |
| 16.00 | 0.05 | 0.15 | 0.10 | 0.10 | -0.80 | -88.89% | 0.01 | 63 | 40 | 0.99 | -0.03 | 0.01 | -0.01 | 2/20/2026 | 2/20/2026 3:59:56 PM EST |
| 17.00 | 0.00 | 1.95 | 0.98 | 1.35 | 0.00 | 0.00% | 0.06 | 0 | 14 | 2.17 | -0.04 | 0.02 | -0.01 | 2/19/2026 | 2/20/2026 3:59:56 PM EST |
| 18.00 | 0.15 | 0.55 | 0.35 | 0.35 | -1.30 | -78.79% | 0.02 | 3 | 25 | 0.97 | -0.09 | 0.03 | -0.02 | 2/20/2026 | 2/20/2026 3:59:56 PM EST |
| 19.00 | 0.20 | 0.60 | 0.40 | 0.50 | -1.70 | -77.28% | 0.02 | 1 | 7 | 0.89 | -0.12 | 0.03 | -0.03 | 2/20/2026 | 2/20/2026 3:59:56 PM EST |
| 20.00 | 0.30 | 0.50 | 0.40 | 0.45 | -2.40 | -84.22% | 0.02 | 32 | 3 | 0.78 | -0.15 | 0.04 | -0.03 | 2/20/2026 | 2/20/2026 3:59:56 PM EST |
| 21.00 | 0.45 | 0.80 | 0.63 | 0.74 | % | 0.03 | 6 | 0 | 0.78 | -0.20 | 0.05 | -0.03 | 2/20/2026 | 2/20/2026 3:59:56 PM EST | |
| 22.00 | 0.65 | 1.05 | 0.85 | 1.53 | % | 0.04 | 9 | 0 | 0.75 | -0.25 | 0.06 | -0.03 | 2/20/2026 | 2/20/2026 3:59:56 PM EST | |
| 23.00 | 0.90 | 1.35 | 1.13 | 1.11 | % | 0.05 | 255 | 0 | 0.72 | -0.32 | 0.08 | -0.03 | 2/20/2026 | 2/20/2026 3:59:56 PM EST | |
| 24.00 | 1.35 | 1.75 | 1.55 | 1.50 | % | 0.06 | 38 | 0 | 0.69 | -0.39 | 0.09 | -0.04 | 2/20/2026 | 2/20/2026 3:59:56 PM EST | |
| 25.00 | 1.80 | 2.10 | 1.95 | 2.00 | -3.85 | -65.82% | 0.08 | 87 | 5 | 0.67 | -0.48 | 0.09 | -0.03 | 2/20/2026 | 2/20/2026 3:59:56 PM EST |
| 26.00 | 2.35 | 2.80 | 2.58 | 2.50 | % | 0.10 | 88 | 0 | 0.68 | -0.57 | 0.09 | -0.03 | 2/20/2026 | 2/20/2026 3:59:56 PM EST | |
| 27.00 | 3.10 | 3.50 | 3.30 | 3.20 | % | 0.12 | 4 | 0 | 0.70 | -0.65 | 0.08 | -0.03 | 2/20/2026 | 2/20/2026 3:59:56 PM EST | |
| 28.00 | 3.80 | 4.30 | 4.05 | 4.10 | % | 0.14 | 7 | 0 | 0.70 | -0.72 | 0.07 | -0.03 | 2/20/2026 | 2/20/2026 3:59:56 PM EST | |
| 29.00 | 4.30 | 5.90 | 5.10 | 4.00 | % | 0.18 | 15 | 0 | 1.12 | -0.77 | 0.06 | -0.03 | 2/20/2026 | 2/20/2026 3:59:56 PM EST | |
| 30.00 | 5.30 | 6.80 | 6.05 | 6.10 | % | 0.20 | 62 | 0 | 1.18 | -0.82 | 0.06 | -0.02 | 2/20/2026 | 2/20/2026 3:59:56 PM EST | |
| 35.00 | 9.30 | 11.70 | 10.50 | % | 0.30 | 0 | 0 | 1.53 | -0.96 | 0.02 | -0.01 | 2/20/2026 3:59:56 PM EST |