Ticker Options Intelligence

TNDM options intelligence

Tandem Diabetes Care Inc options pressure, expected move, strike concentration, and Sharemaestro trend context.

Conviction 39 Market data through 30 Jul 2026 Checked 31 Jul 2026 04:07 · complete available chain

Call-side pressure

Bullish pressure

TNDM currently carries bullish options pressure with a 39/100 conviction score. The nearest-chain expected move is 27.7%, with volume/open-interest participation at 0.00.

Options Intelligence Opportunities Bullish confirmation Risks Unusual flow Vol expansion Repeated pressure Compare Chart Weekly report
Primary read Bullish

Call-side pressure

Expected move 27.7%

Wider near-term move priced

Activity / OI 0.00

Current volume is quieter versus prior open interest

Put-call 0.31

Call-side skew

Trend fit 13

Options are not fully confirming trend

Weekly backdrop +13.9%

RS 0.3

Expected move 27.7%
Put-call volume 0.31
Volume / OI 0.00
Reference IV 1.03
Max pain 16.00
Underlying 17.12
Nearest expiry 21 Aug 2026
Contracts 320

Research Brief

TNDM has a bullish chain read with 39/100 evidence alignment.

The practical question is whether the underlying confirms the options concentration. The chain prices a reference range of 12.37–21.87; The largest call open-interest concentration is 25.00; the largest put concentration is 11.00. The most active strike by current volume is 18.00.

Priced range12.37–21.87
Call concentration25.00
Put concentration11.00
Max pain reference16.00
What would confirm it
  • Price holds or improves while call-side concentration remains elevated.
What would weaken it
  • Price weakens while call pressure fades or reverses toward puts.
  • Options and the weekly trend are not yet giving the same message.
  • Front-expiry volatility is rich, so the signal may be event-driven and vulnerable to volatility compression.

Priced Move

Where the chain says movement becomes exceptional

Size, not direction · through 21 Aug

Options imply 12.37 to 21.87. Max pain at 16.00 sits inside that range, 6.5% below spot.

Spot Max pain
12.3717.12 ± 4.7521.87
Confirmation level

A close beyond 21.87 or below 12.37 at the 21 Aug expiry would exceed the move currently priced by this chain.

Important limitation

The range is a pricing reference, not a forecast; volatility can reprice sharply after news or as expiry approaches.

Score Construction

Why conviction is 39/100

Evidence alignment, not probability

Pressure is 60/100 toward calls; conviction uses its strength, while the signal label carries its direction.

Directional pressure60 × 42%
+25.1

How strongly activity leans toward calls or puts.

Participation5 × 22%
+1.0

Volume relative to existing open interest and contract-level activity.

Trend agreement13 × 26%
+3.3

How closely the chain read agrees with the underlying trend backdrop.

Volatility96 × 10%
+9.6

The intensity of implied volatility and the priced move.

Reconstructed score39.0Matches stored calculation

Positioning by Strike

Where open interest and current activity concentrate

Full strike map

The largest call open-interest concentration is 25.00; the largest put concentration is 11.00. The most active strike by current volume is 18.00. Open-interest concentrations show where positions exist; they are not proven support, resistance or dealer exposure.

Put open interestStrikeCall open interest
206
11.00-35.7%
33
32
13.00-24.1%
10
20
14.00-18.2%
30
43
15.00-12.4%
77
18
16.00-6.5%
198
25
17.00-0.7%
36
100
18.005.1%
235
15
19.0011.0%
212
52
20.0016.8%
69
40
21.0022.7%
51
8
23.0034.3%
630
72
25.0046.0%
638
2
26.0051.9%
137
0
27.0057.7%
70
16
28.0063.6%
53
14
29.0069.4%
102
1
30.0075.2%
107
Nearest spot strike Max pain strikeBars show relative OI within this expiry

Volatility Curve

Front-loaded volatility

1.34× front/back

Near-term options are materially richer than later expirations, consistent with concentrated event or immediate-risk pricing.

1.03 21 Aug 22d
0.82 18 Sep 50d
0.77 20 Nov 113d
0.76 15 Jan 169d
0.77 19 Feb 204d

Volatility by Strike

Downside protection premium

Nearest expiry, within 20% of spot

Out-of-the-money puts carry higher implied volatility than comparable calls, indicating richer downside protection.

14
15
16
17
18
19
20
Put IV Call IV

Historical Replay

How matured reads behaved through expiry

0 directional observations

Forward validation is building. The earliest eligible stored read expires 21 Aug 2026; its result will appear after the matched closing reference is stored.

Directional follow-through-
Moves contained by pricing-
Average expiry move-
Validation readiness
  • Versioned calculationv2 observations only
  • Independent entryone read per market session
  • Point-in-time referencerequired at entry
  • Matched expiry closereported only after maturity

Only v2 snapshots with a point-in-time market reference are eligible. Each observation uses one read per market session and the first weekly close on or immediately after expiry. It is an evidence audit, not an executable strategy or evidence of future performance.

Evidence Quality

Usable with limits

C69/100
Retained chain100%
Implied volatility100%
Two-sided quotes100%
Open interest100%
Chain status
Complete available chain
Market date
30 Jul 2026
Calculation
v2.0
Contracts
320 / 320
  • No material coverage gap was detected in the retained chain.

Aggregate chain data supports concentration, participation and pricing analysis. It does not identify trade aggressor, opening versus closing activity, multi-leg intent or dealer inventory.

Options Intent Radar

Earnings/event positioning

93/100
Primary intent Earnings/event positioning

Options activity is concentrated around a live event window, so the cleanest read is event positioning rather than pure direction.

Flow vs price divergence Bullish flow confirms price

Options pressure and weekly price action are pointing in the same constructive direction.

Why this matters

Earnings/event positioning matters because it connects the options headline to the actual evidence: $16448 of estimated gross traded notional, calls · 8-21 days · otm, and a bullish flow confirms price backdrop. Use it as a research priority signal, then validate the chart, liquidity, event calendar, and risk before acting.

Options pressure+60
1W price+13.9%
Call premium89%
Put premium11%
Notional split C 89% / P 11% Estimated gross traded notional uses volume × contract multiplier × midpoint, or last price when no valid midpoint is available.
Freshness 0.00 Volume divided by open interest across the visible chain.
Trend fit 13/100 Agreement between options pressure and Sharemaestro market context.
Event window 5 Aug Matched earnings event is 4 days away.
Aggregate chain data does not identify trade aggressor or opening versus closing activity; call/put concentration is not proof of market direction.
Conviction clusters Calls · 8-21 days · OTM
Calls · 8-21 days · OTM calls cluster with 60 contracts traded, $11252 estimated gross traded notional, and 68% of visible notional.
$11252
Puts · 8-21 days · OTM puts cluster with 20 contracts traded, $1675 estimated gross traded notional, and 10% of visible notional.
$1675
Calls · 91+ days · ITM calls cluster with 2 contracts traded, $1380 estimated gross traded notional, and 8% of visible notional.
$1380
Calls · 91+ days · OTM calls cluster with 3 contracts traded, $1160 estimated gross traded notional, and 7% of visible notional.
$1160
Calls · 91+ days · ATM calls cluster with 1 contracts traded, $410 estimated gross traded notional, and 2% of visible notional.
$410

Setup Classification

Opportunity and risk frame

Context, not advice
Warning Volatility expansion

The tape is pricing or displaying unusually elevated activity.

Warning Event-risk setup

Expected move or upcoming earnings makes the setup more event-sensitive.

Negative Options disagreement

Options positioning is not confirming the underlying trend context.

Activity Anomaly

Warming up

-

2 of 10 completed market sessions are available. More session history is needed before activity can be compared with a reliable normal.

Baseline: 2 completed sessions

Volume rank-
Volume/OI rank-
IV rank-

Market Context

Underlying confirmation

Sharemaestro weekly
Close19.50
1W+13.9%
RS0.3
Fair value-24.0%
Options pressure60
Speculation5
Volatility96
Trend fit13

Today Versus Normal

Stored-options context

View history
Expected move 27.7% history building
30d avg - · 2/10 sessions -
90d avg - · 2/30 sessions -
180d avg - · 2/60 sessions -
IV 1.03 history building
30d avg - · 2/10 sessions -
90d avg - · 2/30 sessions -
180d avg - · 2/60 sessions -
Put-call 0.31 history building
30d avg - · 2/10 sessions -
90d avg - · 2/30 sessions -
180d avg - · 2/60 sessions -
Volume/OI 0.00 history building
30d avg - · 2/10 sessions -
90d avg - · 2/30 sessions -
180d avg - · 2/60 sessions -

Pressure Trail

Recent pressure and volatility

Open trail
29 Jul 11:13 Volatility
Pressure 96
Move 21.5%
30 Jul 11:00 Volatility
Pressure 96
Move 22.6%
31 Jul 03:07 Bullish
Pressure 60
Move 27.7%

Strike Map

Where activity is clustering

Full strike map
Strike3.00
Calls · V 0 · OI 1
Puts · V 0 · OI 0
Strike4.00
Calls · V 0 · OI 1
Puts · V 0 · OI 0
Strike5.00
Calls · V 0 · OI 3
Puts · V 0 · OI 1
Strike6.00
Calls · V 0 · OI 1
Puts · V 0 · OI 0
Strike7.00
Calls · V 0 · OI 0
Puts · V 0 · OI 0
Strike8.00
Calls · V 0 · OI 1
Puts · V 0 · OI 5
Strike9.00
Calls · V 0 · OI 24
Puts · V 0 · OI 0
Strike10.00
Calls · V 0 · OI 0
Puts · V 0 · OI 30

Term Structure

Expiration activity

Volume and IV
Expiry21 Aug 2026
Contracts82
Avg IV1.03
Put-call0.33
Expiry18 Sep 2026
Contracts40
Avg IV0.82
Put-call-
Expiry20 Nov 2026
Contracts76
Avg IV0.77
Put-call-
Expiry15 Jan 2027
Contracts82
Avg IV0.76
Put-call0.20
Expiry19 Feb 2027
Contracts40
Avg IV0.77
Put-call-

Skew

Call/put IV balance

OTM demand
21 Aug 2026Put IV premium
Call IV0.98
Put IV1.24
Skew0.26
18 Sep 2026Balanced skew
Call IV0.82
Put IV0.81
Skew-0.02
20 Nov 2026Call IV premium
Call IV0.77
Put IV0.66
Skew-0.11
15 Jan 2027Put IV premium
Call IV0.74
Put IV0.84
Skew0.11
19 Feb 2027Call IV premium
Call IV0.87
Put IV0.80
Skew-0.08

Contract Tape

Most active contracts

Full contract tape
ContractTNDM260821C00018000
SideCall
Expiry21 Aug 2026
Strike18.00
Volume37
OI235
IV0.98
ContractTNDM260821C00020000
SideCall
Expiry21 Aug 2026
Strike20.00
Volume13
OI69
IV1.06
ContractTNDM260821P00015000
SidePut
Expiry21 Aug 2026
Strike15.00
Volume10
OI43
IV1.34
ContractTNDM260821P00016000
SidePut
Expiry21 Aug 2026
Strike16.00
Volume10
OI18
IV1.24
ContractTNDM260821C00025000
SideCall
Expiry21 Aug 2026
Strike25.00
Volume8
OI638
IV0.97
ContractTNDM270115C00020000
SideCall
Expiry15 Jan 2027
Strike20.00
Volume2
OI277
IV0.74
ContractTNDM260821C00022000
SideCall
Expiry21 Aug 2026
Strike22.00
Volume2
OI29
IV1.22
ContractTNDM270115C00014000
SideCall
Expiry15 Jan 2027
Strike14.00
Volume2
OI4
IV0.85