Chesterfield Flow
Every big trade, as it prints
The Flow table streams every options trade of $20K premium or more, across the whole options market. Today's session loads first. Then new trades arrive live.
Live options flow and GEX levels
See the big options trades as they print.
Chesterfield Flow streams large options trades with side, Greeks and IV. It also maps live gamma exposure for SPX, NDX, SPY and QQQ. One screen, no noise.
Start 5-day free trial
See pricing
5-day free trial, then $249/month. Renews automatically until you cancel. Cancel anytime in Manage billing. Terms
- 5 days free
- Cancel anytime
- Runs in the browser
Product tour
01 / Flow
02 / Flow
03 / Flow
04 / Flow
05 / Flow
06 / GEX
07 / GEX
08 / History
Buyer or seller? See it at once
Each trade gets a side tag from its fill price against the bid and ask: Above Ask, Ask, Mid, Bid or Below Bid.
Greeks and IV on every row
Delta, gamma, theta, vega and implied volatility sit next to spot, size, volume, open interest and Vol/OI.
Cut the noise in one click
Filter and sort any column. Hide index and ETF symbols with one click, exclude symbols, and pick the columns you want.
Pause without missing a trade
Pause freezes the table so you can read a burst. New trades wait in a queue and join the table when you resume.
See where dealers must hedge
The GEX heatmap puts SPY, SPXW, QQQ and NDXP side by side. Each ladder marks spot with a price pill, zero gamma, the max gamma strike, the ceiling and the floor. Today's 0DTE ±1σ and ±2σ rows show the expected move.
0DTE, Weekly or 90D
Switch the expiration window in one click. 0DTE refreshes every 2 seconds. The Nasdaq panel can show its levels in NQ futures points. Turn on Center Spot to keep spot centred, or press Shift+C to centre every panel once.
Look back, then export
Search past trades by symbol, date range and expiration. Download any table to CSV for your own analysis.
The real screen
This is the Flow table
A screen recording of the real Flow and GEX pages, with no mock-up. It replays the trades recorded on September 28, 2026, at the pace they printed. The rows fill your screen. Click a symbol to open that trade's contract card in a new tab.
One contract
Open the contract behind any trade
Click a symbol in the Flow table. A new tab shows that strike and expiration on the day of the trade, with the order and the contract's volume minute by minute.
- Order next to open interestPremium, size against open interest, entry, break-even and size / OI.
- Bid, Mid and AskThe day's volume split by side, in contracts and in percent.
- Minute chartThe option's price over the day, with volume bars colored by side.
- Multi-leg shareHow much of the day's volume traded as part of a spread or other multi-leg order.
- LiveThe card refreshes every 15 seconds while the market is open.
Gamma exposure
Know where dealers must hedge
The GEX (gamma exposure) heatmap shows dealer gamma at each strike. Large positive and negative bars mark levels where hedging can slow or speed up price.
- Spot, zero gamma, max, ceiling and floorEvery level is marked on the ladder for each symbol.
- 0DTE, Weekly and 90D tabs0DTE refreshes every 2 seconds, Weekly every 15 seconds.
- SPY, SPXW, QQQ and NDXP side by sideThe Nasdaq panel can show levels in NQ futures points.
- Spot pill and Center SpotA white price pill marks spot on every panel. Center Spot keeps spot centred. Shift+C centres every panel once.
- 0DTE ±1σ and ±2σ rowsThe rows come from today's 0DTE expected move. They appear on every panel and every tab.
Live updates
Per expiration
One column for each expiration
The Per Expiry view shows the next 5 expirations side by side, with one row for each strike. Use it on any ticker with listed options, including the SPX and NDX composites.
- Any tickerPick SPX, SPXW, NDX, NDXP, QQQ or SPY, or type any optionable ticker. SPX combines SPX and SPXW. NDX combines NDX and NDXP.
- Carry, Volume or OICarry adds volume GEX and open-interest GEX. Volume weights by today's traded volume. OI weights by open interest.
- King, Ceiling, Floor and gamma flipEach column marks its own levels, so you see how they change from one expiration to the next.
- ±1σ and ±2σ per expirationEach column has expected-move lines that use its own expiration time.
- Session high and lowLines and H and L pills show today's high and low of the underlying since 09:30 ET.
- Automatic strike rangeThe range widens from spot until it holds 95% of the ticker's GEX across the 5 expirations. The legend shows the range.
Get started
Live in about a minute
Start the trial
Pick a plan and check out with Stripe. You pay nothing for 5 days.
Log in by email
No password to remember. We email you a one-time login link.
Open Flow and GEX
Both run in the browser on desktop, laptop or phone. Nothing to install.
From members
Real results members shared
Screenshots that members posted. Names are blurred for privacy.
These are individual results that members chose to share. They are not typical, and your results will differ. Past results do not predict future results. Options trading carries a high risk of loss.
Pricing
Simple pricing. 5 days free.
Both plans include the full platform. Pay yearly and get 2 months free.
Monthly
$249/mo
Billed monthly
- Live options flow, every $20K+ trade
- GEX heatmap: 0DTE, Weekly and 90D
- Side, Greeks and IV on every trade
- Filters, Hide ETF and column control
- Historical search and CSV export
- Email support
5-day free trial, then $249/month. Renews automatically until you cancel. Cancel anytime in Manage billing. Terms
2 MONTHS FREE
Annual
$2,490/yr
About $207.50/mo, save $498 a year
- Everything in Monthly
- 12 months for the price of 10
- One charge a year
5-day free trial, then $2,490/year. Renews automatically until you cancel. Cancel anytime in Manage billing. Terms
Trading firm or team? Email support@chesterfieldflow.com.
FAQ
Questions
What is options flow?
Options flow is the live stream of options trades as they fill on the exchanges. Chesterfield Flow shows the large ones, at $20K premium and above, with the side of the quote each one hit.
What is GEX?
GEX means gamma exposure. It estimates how much dealers must buy or sell to stay hedged as price moves. Strikes with large gamma often act as levels.
What is the Per Expiry view?
Per Expiry shows GEX for the next 5 expirations of one ticker, one column per expiration. It works for SPX, NDX, SPY, QQQ and any other optionable ticker. Each column marks its King, Ceiling, Floor, gamma flip and ±1σ and ±2σ lines.
What is the contract card?
Click a symbol in the Flow table and the trade's contract opens in a new tab. It shows the order's premium, size against open interest, entry, spot and break-even. It also shows the day's volume split by bid, mid and ask, the share that traded in multi-leg orders, and a minute chart of the option's price and volume by side. It refreshes every 15 seconds while the market is open.
Is there a guide?
Yes. The guide explains every page and every mark on the screen.
How does the free trial work?
You check out with Stripe and get 5 days free. After the trial, your plan renews automatically at $249/month or $2,490/year until you cancel.
How do I cancel?
Log in and open Manage billing, or email support@chesterfieldflow.com. Cancellation stops future charges. You keep access until the end of the period you already paid for.
Is this investment advice?
No. Chesterfield Flow gives market data and tools. It does not tell you what to buy or sell. Read the Terms of Service for the full details.