Subscriptions are live: We're on the subscription model now, early-access price $24.99/month, with day, week, and longer plans too. New accounts start with 5 free premium days. Prefer to donate? Donations grant premium time and are logged on your profile page.

TheDesperateTrader
Gap & Go

Gap Scanner

TheDesperateTrader.com· Biggest gap ups & downs · Wednesday, Aug 5

The biggest gap ups and gap downs from Wednesday, Aug 5, ranked by the opening gap versus the prior close. Each row shows whether the gap filled (traded back to the prior close) or held, plus how it finished versus the open (o/o), the gap-and-go tell. Liquidity-filtered and split-adjusted.

As of Wed, Aug 5 close

How gaps behaved on Wednesday, Aug 5

a gap-and-go session - most gaps held
Gap ups30 stocks
83% held17% filled
Gap downs30 stocks
93% held7% filled

A gap holds when price never trades back to the prior close, the gap-and-go setup. It fills when it does, the fade setup. When most gaps fill, buying the open is the losing side of the tape that day.

Trade the gap-and-go as it happens. Free real-time alerts the moment a stock gaps and volume confirms, no card required.

Sign up free
No card · 5 premium days
Biggest Gap Ups · 3025 held
1INLFHeld73INLIF LIMITED Class A Ordinary Shares+145.4%$6.27 · -19.7% o/o
2GTEHeld90Gran Tierra Energy Inc.+51.2%$9.44 · -8.6% o/o
3BJDXHeld127Bluejay Diagnostics, Inc. Common Stock+48.0%$1.24 · -16.2% o/o
4DBGIFilled22Digital Brands Group, Inc. Common Stock+40.3%$16.28 · -46.3% o/o
5BLMNHeld65Bloomin' Brands, Inc. Common Stock+35.9%$11.85 · -2.2% o/o
6OESXHeld8Orion Energy Systems, Inc.+31.4%$16.06 · +17.5% o/o
7JLHLHeld66Julong Holding Limited Class A Ordinary Shares+29.3%$9.35 · +33.4% o/o
8APPSHeld103Digital Turbine, Inc.+25.7%$13.17 · +10.2% o/o
9QLYSHeld14Qualys, Inc. Common Stock+23.2%$183.25 · -7.6% o/o
10SWIMHeld38Latham Group, Inc. Common Stock+22.3%$7.30 · +4.7% o/o
11SHOPHeld70Shopify Inc. Class A subordinate voting shares+21.7%$144.24 · -3.8% o/o
12TBIHeld21Trueblue, Inc.+20.8%$9.90 · +6.6% o/o
13DFNSFilled61T3 Defense Inc. Common Stock+19.1%$45.91 · -18.6% o/o
14FTKHeld47Flotek Industries, Inc.+18.6%$36.07 · +7.8% o/o
15TATTHeld16TAT Technologies Ltd+18.3%$42.62 · -13.5% o/o
16PRGOHeld54PERRIGO COMPANY PLC+17.1%$13.27 · +5.2% o/o
17YOUHeld27Clear Secure, Inc.+16.2%$56.46 · -12.8% o/o
18ZJYLHeld26JIN MEDICAL INTERNATIONAL LTD. Class A Ordinary Shares+14.9%$2.21 · -0.9% o/o
19AMPXHeld45Amprius Technologies, Inc.+14.7%$11.72 · -5.5% o/o
20GSMHeld35Ferroglobe PLC Ordinary Shares+14.6%$4.15 · +5.9% o/o
21CRLHeld13Charles River Laboratories International, Inc.+14.5%$260.72 · -2.7% o/o
22DIBSHeld1stdibs.com, Inc. Common Stock+14.4%$4.93 · -1.4% o/o
23UPSTFilled55Upstart Holdings, Inc. Common stock+14.1%$30.20 · -12.7% o/o
24XOSHeld24Xos, Inc. Common Stock+13.7%$2.95 · -1.3% o/o
25JDZGHeld29JIADE LIMITED Class A Ordinary Shares+13.6%$3.79 · +3.3% o/o
26HYFMFilled61Hydrofarm Holdings Group, Inc. Common Stock+13.5%$1.62 · -25.7% o/o
27KTOSHeld58Kratos Defense & Security Solutions, Inc.+13.5%$55.34 · -6.0% o/o
28DTHeld46Dynatrace, Inc.+12.7%$50.86 · -1.3% o/o
29KMTFilled13Kennametal Inc.+12.3%$34.16 · -15.7% o/o
30KODKHeld18EASTMAN KODAK COMPANY+12.3%$9.86 · -1.6% o/o
Biggest Gap Downs · 3028 held
1TYGOHeld38Tigo Energy, Inc. Common Stock-36.3%$1.29 · -0.8% o/o
2VPGHeld27Vishay Precision Group, Inc.-32.5%$73.56 · +7.8% o/o
3AMIXHeld125Autonomix Medical, Inc. Common Stock-30.2%$12.10 · -11.2% o/o
4TBLAHeld21Taboola.com Ltd. Ordinary Shares-29.5%$3.84 · +2.8% o/o
5CRTOHeld18Criteo S.A. Ordinary Shares-26.5%$17.05 · +3.6% o/o
6ANGIHeld9Angi Inc. Class A Common Stock-26.4%$4.79 · +4.7% o/o
7CDWHeld23CDW Corporation-25.0%$140.10 · +21.4% o/o
8PODDHeld29Insulet Corporation-23.3%$133.26 · +4.1% o/o
9LMBHeld18Limbach Holdings, Inc Common Stock-20.4%$49.73 · -19.0% o/o
10TDCHeld30TERADATA CORPORATION-20.0%$26.23 · -4.7% o/o
11USNAHeld10USANA Health Sciences Inc-20.0%$14.99 · -17.8% o/o
12SEDGHeld55SolarEdge Technologies, Inc.-18.1%$33.90 · -15.1% o/o
13EOSEHeld87Eos Energy Enterprises, Inc. Class A Common Stock-17.8%$3.82 · +6.9% o/o
14EXTRHeld25Extreme Networks-17.0%$26.19 · -2.4% o/o
15LMATHeld22LeMaitre Vascular, Inc.-16.7%$79.00 · -10.4% o/o
16BVHeld21BrightView Holdings, Inc. Common Stock-16.2%$10.60 · -3.6% o/o
17OSSFilled26One Stop Systems, Inc. Common Stock-15.6%$13.12 · +8.9% o/o
18SUJAHeld24Suja Life, Inc. Class A Common Stock-15.0%$6.14 · -36.7% o/o
19EGHTFilled108x8, Inc. Common Stock-14.3%$2.31 · +20.3% o/o
20BBBYHeld29Bed Bath & Beyond, Inc.-12.9%$4.62 · -4.5% o/o
21RRXHeld20Regal Rexnord Corporation-12.3%$183.24 · -5.0% o/o
22EVGOHeld28EVgo Inc. Class A Common Stock-12.1%$1.53 · +0.7% o/o
23ALITHeld22Alight, Inc.-11.8%$14.43 · -4.8% o/o
24MDLNHeld26Medline Inc. Class A common stock-11.3%$36.67 · -1.7% o/o
25TYRAHeld15Tyra Biosciences, Inc. Common Stock-10.9%$25.71 · -11.3% o/o
26CCHeld27The Chemours Company-10.7%$14.59 · -8.9% o/o
27LCIDHeld45Lucid Group, Inc. Common Stock-10.7%$6.70 · -3.6% o/o
28ADVHeld4Advantage Solutions Inc. Class A Common Stock-10.5%$33.02 · -11.6% o/o
29TMDXHeld21TransMedics Group, Inc. Common Stock-10.4%$76.49 · +5.7% o/o
30NAGEHeld8Niagen Bioscience, Inc. Common Stock-10.4%$2.96 · -4.8% o/o

Frequently asked questions

Everything you need to know about stock gaps, INLF led the gap ups at +145.4%.

What is a gap in stock trading?
A gap is the difference between a stock's regular-session opening price and the prior day's closing price. A gap up opens higher than yesterday's close; a gap down opens lower. This scanner ranks the biggest gaps from Wednesday, Aug 5 among liquid stocks (price of $1+ and at least $1M in dollar volume), split-adjusted so a stock split never shows as a fake gap.
What does it mean when a gap "fills"?
A gap fills when the price trades all the way back to the prior close during the session, for a gap up, the day's low reaches the prior close; for a gap down, the day's high reaches it. A gap that never returns to the prior close "held." Filled vs held is shown as a badge on every row, because whether a gap holds is one of the most-watched tells for gap-and-go versus fade setups.
What is a gap and go?
Gap and go is a day-trading setup where a stock gaps up on a catalyst and keeps running from the open instead of filling the gap. The "o/o" figure on each row shows how the stock finished versus its open, a positive number on a gap up means it held or extended off the open (a gap-and-go tendency), while a negative number means it faded.
Why do stocks gap up or down?
The usual catalysts are earnings, guidance, FDA or clinical news, analyst rating changes, mergers, and overnight macro or futures moves. Because most of the reaction happens before the open, the gap captures the market's repricing in a single number. This page is information, not investment advice.
How often does the gap scanner update?
It refreshes each session from the latest completed trading day's open and close. For live intraday action, watch the real-time RVOL and halt scanners and the Stock Market Today board across the rest of the site.

Get the best catches in your inbox

Free daily email of the top plays and unusual-volume alerts our scanner flags. No account needed.

No spam. Unsubscribe anytime. Not investment advice.

Explore the market

Free, live market tools. No account required to look.

Free Stock ScannersEvery scanner in one placeCaught EarlyWhat our scanner flagged before it ranHow It WorksOur data, methodology & accuracyTrading CalculatorsPosition size, profit & average downStock Market TodayWhat’s actually moving right nowStocks to WatchTop 10 to watch next session, with reasonsTrending StocksWhat’s moving & being searched nowStock Sectors & ThemesAI, crypto, energy, banks & 40 moreBiggest Gainers TodayTop gainers & most activeWhy Stocks Are MovingToday’s movers + the catalyst behind eachInsider BuyingStocks insiders are buying (Form 4)Biggest Losers TodayTop decliners & worst performersPremarket MoversTop gainers & losers before the bellAfter Hours MoversTop gainers & losers after the closeMost Active StocksHighest dollar-volume names52-Week Highs & LowsStocks making new highs & lowsOversold StocksLowest RSI, mean-reversion watchLow Float StocksSmallest floats, squeeze watchMost Volatile StocksBiggest daily range by ATR%Most Shorted StocksHighest short % of floatShort Squeeze StocksTop squeeze candidates by scorePenny StocksMost active under $5Stocks Under $1Most active sub-$1 namesStocks Under $10Most active under $10Overbought StocksHighest RSI, extended / pullback watchWeekly MoversBiggest gainers & losers this weekStock ScreenerScan by price, volume & RVOLThe Money MapMarket cap added or wiped, by sectorSector PerformanceBest & worst sectors todayStore ClosuresRetail & restaurant stocks under pressureEarnings CalendarWho reports before open & after closeEarnings Next WeekThe week ahead, biggest names by dayMoving After EarningsBiggest post-earnings gainers & losersEconomic CalendarFOMC, CPI, jobs & market-moving dataDividend CalendarEx-dates, yields & buy-by datesIPO CalendarRecent & upcoming stock listingsDaily RecapHow each session played outRVOL ScannerLive unusual-volume alertsHalt ScannerLive trading halts & resumesStock Halts TodayHalted stocks + reasons & resumesLive AlertsThe real-time scanner feedSmart MoneyInsider buys, 5% stakes & 13FReddit RadarTrending tickers & top postsGoogle Search RadarStocks America is Googling nowMarket CalendarEconomic, earnings & dividends in oneCrypto PricesLive Bitcoin, Ethereum & top coinsCurrency ConverterExchange rates: EUR, GBP, JPY & moreMortgage RatesCurrent 30-year & 15-year ratesAI StocksThe AI buildout: chips, cloud & softwareSemiconductor StocksChipmakers & equipment, and why they move