TN
TNDM
Tandem Diabetes Care, Inc.
19.68
+2.39%
2026-10-28
Last 90d 1 congress buy
52-week range
12.26
29.65
1-month+18.8%
3-month+3.5%
1-year+31.7%
3-year+2.4%
5-year-84.5%
vs 50-day+8.3%
vs 200-day+3.9%
Volatility77%
Beta0.98
$ vol/day$36M
ATH302.50
From ATH-93.5%
Next report2026-11-05
| Who | Entry | Move | What they said | When | |
|---|---|---|---|---|---|
| TRACKER - Gilbert Cisneros · Congress | long | 16.20 | +21.5% | Gilbert Cisneros's trade date was 29 September 2026 — a disclosed purchase of $1,001–$15,000. But a Periodic… | Tue, 13 Oct |
2026AprJulOct
bought sold · bigger dot, bigger trade · follows the chart’s range
| When | People | Size | Value | Price | |
|---|---|---|---|---|---|
| 7mo | sell | 1 | $4,310 | 24.00 | |
| 8mo | sched | 1 | $46 | 20.73 | |
| 1.2y | buy | 2 | $251,711 | 10.56 | |
| 1.6y | buy | 1 | $190,949 | 18.06 | |
| 1.9y | sell | 1 | $1,241,400 | 30.63 | |
| 1.9y | buy | 1 | $12,364 | 28.12 | |
| 2.4y | sell | 1 | $258,400 | 52.03 | |
| 2.9y | buy | 1 | $94,800 | 19.88 | |
| 3.0y | buy | 2 | $125,294 | 14.91 | |
| 3.1y | buy | 1 | $21,450 | 21.94 | |
| 3.4y | buy | 1 | $294,700 | 29.16 | |
| 3.4y | buy | 1 | $90,480 | 28.90 | |
| 3.5y | buy | 1 | $98,802 | 30.80 | |
| 3.6y | sell | 1 | $411,900 | 42.55 | |
| 3.9y | sell | 1 | $1,007,300 | 40.94 | |
| 4.4y | sell | 1 | $656,515 | 60.39 | |
| 4.4y | sell | 1 | $999,897 | 72.46 | |
| 4.5y | sell | 1 | $27,709 | 70.34 | |
| 4.5y | buy | 3 | $510,975 | 70.34 | |
| 4.5y | sell | 1 | $145,090 | 93.41 | |
| 4.6y | sell | 1 | $117,880 | 119.47 | |
| 4.6y | sell | 1 | $541,850 | 113.67 | |
| 4.6y | sell | 1 | $42,930 | 107.23 | |
| 4.7y | sell | 1 | $112,680 | 114.85 | |
| 4.7y | sell | 2 | $294,861 | 118.03 | |
| 4.8y | sell | 1 | $149,163 | 142.50 | |
| 4.8y | sell | 2 | $452,740 | 152.42 | |
| 4.9y | sell | 1 | $1,731,000 | 143.37 | |
| 4.9y | sell | 1 | $151,620 | 137.56 | |
| 4.9y | sell | 2 | $377,918 | 128.11 | |
| 5.0y | sell | 1 | $4,923,879 | 140.78 | |
| 5.0y | sell | 3 | $5,214,228 | 130.47 | |
| 5.0y | sell | 2 | $339,353 | 140.20 | |
| 5.0y | sell | 1 | $248,167 | 132.11 | |
| 5.0y | sell | 3 | $5,270,136 | 134.45 | |
| 5.1y | sell | 1 | $118,000 | 118.91 | |
| 5.1y | sell | 1 | $231,882 | 119.34 | |
| 5.1y | sell | 2 | $2,347,963 | 121.94 | |
| 5.1y | sell | 2 | $5,036,849 | 122.59 | |
| 5.1y | sell | 2 | $476,994 | 126.25 | |
| 5.2y | sell | 2 | $4,253,505 | 113.21 | |
| 5.2y | sell | 1 | $184,442 | 112.30 | |
| 5.2y | sell | 2 | $6,546,533 | 111.94 | |
| 5.2y | sell | 1 | $6,835,945 | 107.89 | |
| 5.2y | sell | 1 | $344,144 | 103.90 | |
| 5.2y | sell | 2 | $10,530,068 | 105.92 | |
| 5.2y | sell | 2 | $431,547 | 106.03 | |
| 5.3y | sell | 1 | $840,000 | 107.44 | |
| 5.3y | sell | 1 | $170,348 | 104.88 | |
| 5.3y | sell | 1 | $713,500 | 98.44 | |
| 5.4y | sell | 2 | $3,394,328 | 89.49 | |
| 5.4y | sell | 1 | $85,110 | 86.11 | |
| 5.4y | sell | 1 | $312,933 | 84.90 | |
| 5.4y | sell | 2 | $41,866 | 83.56 | |
| 5.5y | sell | 1 | $760,064 | 94.63 | |
| 5.6y | sell | 1 | $17,453,026 | 84.61 | |
| 5.6y | sell | 1 | $780,042 | 88.66 | |
| 5.7y | sell | 1 | $144,210 | 91.12 |
2026AprJulOct
bought sold · bigger dot, bigger trade · follows the chart’s range
4 members · 5 buys / 3 sells · $8K–$120K disclosed · latest filing Oct 12, 2026 · full tracker ›
| When | Member | Size | Amount | Price then | |
|---|---|---|---|---|---|
| 30d | buy | $1K–$15K | 16.57 | ||
| 8mo | buy | $1K–$15K | 23.74 | ||
| 1.1y | buy | $1K–$15K | 13.06 | ||
| 1.6y | sell | $1K–$15K | 20.62 | ||
| 1.7y | buy | $1K–$15K | 19.49 | ||
| 2.2y | buy | $1K–$15K | 40.79 | ||
| 3.3y | sell | $1K–$15K | 29.44 | ||
| 11.4y | sell | $1K–$15K | 117.70 |
Next report 2026-11-05 (Thursday, after close, in 8 days) · EPS estimate -0.24. It has finished the next session higher 45% of the time, average move 11.9%.
Day-after move, last 12 reports, oldest left.
| Reported | Est. | Actual | Surprise | Gap | Day 1 | Day 5 | |
|---|---|---|---|---|---|---|---|
| 2026-08-06 | beat | -0.32 | -0.31 | +2.8% | -7.5% | +19.1% | +20.9% |
| 2026-05-07 | beat | -0.44 | -0.30 | +32.1% | +8.3% | -16.2% | -30.6% |
| 2026-02-19 | beat | -0.09 | -0.01 | +88.9% | +22.8% | +32.7% | +36.6% |
| 2025-11-06 | beat | -0.34 | -0.31 | +8.9% | +20.0% | +22.0% | +39.6% |
| 2025-08-06 | miss | -0.40 | -0.48 | -22.4% | -27.1% | -19.9% | -25.9% |
| 2025-04-30 | miss | -0.61 | -0.67 | -9.5% | +10.7% | +18.6% | +35.0% |
| 2025-02-26 | miss | -0.24 | -0.44 | -84.8% | -28.0% | -35.2% | -44.3% |
| 2024-11-06 | beat | -0.41 | -0.36 | +12.2% | -4.8% | -2.7% | -16.5% |
| 2024-08-01 | beat | -0.53 | -0.48 | +10.1% | +17.2% | +18.3% | +6.5% |
| 2024-05-02 | beat | -0.76 | -0.64 | +16.3% | +17.4% | +22.3% | +21.3% |
| 2024-02-21 | miss | -0.26 | -0.27 | -4.5% | +8.6% | +10.9% | +18.1% |
| 2023-11-01 | miss | -0.36 | -0.38 | -4.6% | -11.3% | -14.4% | -17.4% |
| 2023-08-03 | beat | -0.49 | -0.30 | +38.9% | -6.6% | +4.4% | -11.1% |
| 2023-05-03 | miss | -0.53 | -0.63 | -18.0% | -11.9% | -6.1% | -19.2% |
| 2023-02-22 | beat | -0.08 | -0.01 | +90.9% | -3.5% | -4.7% | -1.8% |
| 2022-11-02 | miss | -0.05 | -0.27 | -455.6% | -22.1% | -28.4% | -24.7% |
| 2022-08-03 | miss | 0.02 | -0.23 | -1406.8% | -10.1% | -15.0% | -22.3% |
| 2022-05-04 | miss | -0.07 | -0.23 | -244.2% | -4.6% | -15.0% | -25.6% |
| 2022-02-22 | miss | 0.21 | 0.16 | -23.8% | +2.8% | -1.8% | +8.4% |
| 2021-11-03 | beat | 0.06 | 0.09 | +47.7% | -9.8% | -6.3% | -5.2% |
| 2021-08-04 | beat | -0.08 | 0.06 | +173.3% | +4.8% | +4.7% | +0.8% |
| 2021-05-05 | beat | -0.15 | -0.08 | +46.1% | +1.3% | -3.0% | -13.3% |
| 2021-02-24 | beat | 0.12 | 0.22 | +79.4% | +12.8% | +4.0% | -8.4% |
| 2020-11-05 | miss | -0.12 | -0.15 | -29.3% | -8.3% | -2.2% | -16.9% |
| 2020-07-30 | miss | -0.25 | -0.45 | -81.7% | +3.9% | +0.2% | -0.1% |
| 2020-04-30 | miss | -0.18 | -0.25 | -40.5% | -1.8% | +0.6% | +10.0% |
| 2020-02-24 | beat | -0.03 | 0.04 | +240.0% | -5.8% | -10.2% | -10.5% |
| 2019-11-04 | beat | -0.22 | -0.09 | +59.8% | -4.7% | -6.9% | -1.9% |
| 2019-08-01 | beat | -0.29 | -0.03 | +89.7% | +11.2% | +8.4% | +6.0% |
| 2019-04-30 | miss | -0.29 | -0.40 | -39.1% | +10.4% | -2.9% | +5.8% |
| 2019-02-26 | beat | -0.19 | 0.02 | +110.3% | +23.1% | +25.2% | +28.3% |
| 2018-11-01 | beat | -0.31 | -0.30 | +4.5% | +2.1% | -1.6% | -8.5% |
| 2018-07-30 | beat | -0.33 | -0.33 | +0.7% | +0.4% | +11.0% | +23.8% |
| 2018-04-26 | miss | -0.62 | -1.03 | -66.8% | -11.8% | -2.4% | +1.4% |
| 2018-03-01 | beat | -1.37 | -1.22 | +11.0% | +1.2% | +14.7% | +16.2% |
| 2017-10-26 | beat | -3.74 | -3.59 | +4.1% | +2.9% | -6.3% | -17.6% |
| 2017-07-27 | beat | -4.79 | -4.40 | +8.1% | -1.4% | -9.4% | -25.7% |
| 2017-04-27 | miss | -6.11 | -7.50 | -22.7% | -4.8% | -9.2% | -6.5% |
| 2017-03-08 | beat | -6.29 | -4.80 | +23.7% | -2.3% | -11.6% | -4.7% |
| 2016-11-01 | miss | -5.77 | -9.70 | -68.0% | -17.8% | -58.9% | -67.3% |
| 2016-07-28 | beat | -6.47 | -6.00 | +7.2% | -0.3% | -14.8% | -15.7% |
| 2016-04-28 | beat | -6.88 | -6.80 | +1.2% | -0.2% | +2.3% | -31.5% |
| 2016-02-24 | beat | -5.01 | -4.00 | +20.1% | +1.0% | +11.9% | +34.6% |
| 2015-10-29 | beat | -8.04 | -6.50 | +19.2% | +16.3% | +18.3% | +38.9% |
| 2015-07-30 | beat | -7.11 | -6.50 | +8.6% | +8.6% | +8.8% | +5.6% |
| 2015-04-30 | miss | -7.83 | -8.30 | -6.0% | -1.8% | +2.7% | -6.9% |
| 2015-02-24 | beat | -8.12 | -7.80 | +4.0% | -2.3% | -2.1% | -3.4% |
| 2014-11-06 | miss | -8.17 | -8.50 | -4.1% | -4.2% | -11.2% | -10.1% |
| 2014-07-31 | beat | -8.89 | -8.30 | +6.7% | +23.1% | +13.1% | +14.5% |
| 2014-05-06 | miss | -6.92 | -9.60 | -38.6% | -9.0% | -7.8% | +6.7% |
| 2014-03-06 | miss | -11.37 | -21.40 | -88.1% | -1.3% | +4.4% | +0.2% |
Model view — historical tendencies for the days ahead, not a forecast
Next 1 day
+0.2%
Next 1 week
+1.3%
Next 1 month
+2.5%
Seasonality
Weak window historically
Next 30 days (to Nov 27): -1.6% median,
42% of the last 12 years finished up.
20-year seasonality chart →
Mean reversion
Deeply overbought — RSI(2) at 99
RSI(2) under 15 is oversold (this name has historically bounced); over 85 is overbought.
Its dip-buy edge in history is +0.09%/day.
Mean-reversion stats →
1-month breakdown —
Market · β 0.98 +2.5% · Seasonal tilt -0.1%
$36M/day volume
77% volatility
+32% 1-year
52-week range · 43% of the way up · -34% from the high
$12.26$29.65
Not investment advice.
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