Trading Guides
Understand the trading concepts you keep running into.
Market analysis · 10 min readBMBL stock jump: from takeover talks to Bumble’s $6.05 cash deal
Why BMBL jumped on October 12–13, 2026: Bumble’s $6.05 Ithaca cash deal, the remaining merger spread, closing conditions and source-led research.
Data study · 13 min readSmall-Cap Gapper Statistics (2026): High of Day, Gap Fills and Day Two in 671 Gap-Ups
Base rates from 671 US gap-ups of 20% or more, July 1 to Oct 2, 2026: when the high of day printed, gap fills by the close, and day two.
Market data · 9 min readShort Interest vs. Short Volume: different data, limited intraday usefulness
Compare short interest and short-sale volume, publication delays, coverage and days to cover. Learn why these public datasets have limited value for live day trading.
Stock fundamentals · 8 min readLow-float stocks: why float estimates disagree and what the number does not tell you
Understand low-float stocks and conflicting float estimates. Separate shares outstanding, regulatory public float, potential dilution and executable liquidity.
Trading workflow · 8 min readWhat to record in a trading journal: evidence, execution and costs beyond P&L
Build a useful day-trading journal with reconciled fills, fees, timestamps, source notes and execution deviations. Review process separately from profit and loss.
Market events · 4 min readDKI prices a $6 million offering: $1.44 units and zero-cash warrants
Read DarkIris’s October 8, 2026 offering pricing: $1.44 units, roughly $6 million gross, zero-cash warrant terms and expected October 9 closing.
Research workflow · 8 min readBuild a premarket watchlist: from a gap ranking to a source-linked observation record
Build a US-stock premarket watchlist using gap percentage, comparable volume windows, spreads, source timestamps and execution-status checks.
Market events · 10 min readBIYA stock: the October 7 trade cancellation, explained
Read Nasdaq’s October 7, 2026 BIYA trade-cancellation ruling. Understand the affected executions, LULD differences, broker records and Baiya’s SEC filings.
Research workflow · 8 min readResearching a stock’s previous active days without turning history into a prediction
Research previous in-play days using catalysts, intraday paths, volume and corporate actions. Avoid hindsight, split-adjustment mistakes and missing-data assumptions.
Market mechanics · 8 min readLevel 2 vs. Time & Sales: displayed orders are not completed trades
Learn the difference between Level 2 quotes and Time & Sales prints. Understand cancellations, hidden liquidity, trade flags and market-data coverage.
Trading tools · 12 min readDay trading software: DAS, Sterling and the tools around execution
Compare DAS, Sterling, Lightspeed, Takion and TradeZero. Learn what to check for hotkeys, routing, data, locates and costs, then connect research with review.
Company disclosures · 9 min readStock warrants explained: exercise terms, cash proceeds and potential dilution
Understand stock warrants, pre-funded warrants and cashless exercise. Read SEC terms, calculate hypothetical dilution and separate potential shares from actual issuance.
Data study · 9 min readWhat Time Do Small-Cap Gappers Hit Their High of Day?
A look at 671 US stock gap-ups of 20% or more from July 1 to October 2, 2026: when the 4:00 a.m.–8:00 p.m. ET high printed, split by gap size, price and how the day ended.
Company disclosures · 10 min readATM offerings explained: when a company can sell shares, and what filings actually prove
What is an at-the-market offering? Understand ATM share sales, pricing, dilution and remaining capacity, and learn which SEC filings confirm actual sales.
Market structure · 10 min readTrading under SSR: read the status, understand the order response
Can you short a stock on SSR? Compare order prices with the national best bid, check next-day status, and learn why a confirmed locate does not prevent rejection.
Rules and regulation · 10 min readThe $25,000 Pattern Day Trader Rule Is Gone: How FINRA’s New Intraday Margin Rule Works
FINRA’s $25,000 pattern day trader rule was replaced by intraday margin on June 4, 2026; brokers have until Oct 20, 2027. What changed and what stayed.
Market structure · 13 min readUS Stock Trading Goes 23 Hours a Day: What Is Approved, What Is Scheduled, and What It Means for Small-Cap Day Traders
Nasdaq, NYSE Arca, Cboe EDGX and 24X plan 9 p.m.–4 a.m. sessions from Dec 6, 2026. What is approved, what is pending, and what changes for day traders.
Trading tools · 12 min readDAS Trader hotkeys: understanding the script before pressing the key
Understand DAS Trader hotkeys with official sources: Load vs Send, variables, window context, timers and Order Objects V2. Includes a beginner exercise.
Dilution case studies · 8 min readRegistered Direct Offerings Explained Through Beasley Broadcast’s September 2026 Deal
Beasley Broadcast’s Sept 2026 registered direct offering: $14.00 pricing, 357,000 private warrants, and how the deal used its baby shelf capacity.
Dilution and SEC filings · 11 min readThe SEC Wants to End the Baby Shelf Cap. Here Is What Is Proposed, What Is Not, and What Small-Cap Traders Should Watch
The SEC proposed ending the Form S-3 baby shelf cap in May 2026. Status as of Oct 5, 2026, the March ATM interpretation, and what to watch in filings.
Dilution case studies · 9 min readWarrant Inducement Offers Explained Through Decoy Therapeutics’ September 2026 Deal
How Decoy Therapeutics’ Sept 2026 warrant inducement repriced warrants to $3.25, added 2.37M new warrants, and where each step appears in SEC filings.
Dilution case studies · 8 min readEquity Lines Explained Through Tempest Therapeutics’ August 2026 Purchase Agreement
Tempest Therapeutics’ Aug 2026 equity line with Lincoln Park: the 97% pricing formula, commitment shares, the 19.99% cap, and the math in its S-1.
Company disclosures · 11 min readWhat is a shelf registration? Reading S-3 filings, ATMs and offering capacity
Learn what a shelf registration means in U.S. stocks. Separate S-3 capacity, ATM programs and actual sales; understand baby shelves and check SEC filings.
Market structure · 9 min readLU and LD explained: from LULD price bands to trading pauses
Learn how limit up and limit down work in U.S. stocks: moving LULD bands, the 15-second limit state, reopening, and differences from SSR and news halts.
Market structure · 9 min readReg SHO explained: threshold lists, FTDs, and the 13-day misconception
Understand Reg SHO threshold-list criteria, failures to deliver (FTDs), listing dates, and the 13-day misconception. Compare SSR and locates; check original sources.
Market structure · 9 min readSSR explained: the 10% trigger, duration, and short-sale price test
Learn how the short-sale restriction (SSR) works: the 10% trigger, next-day duration, national best bid test, and differences from locates and Reg SHO lists.
Company disclosures · 10 min readWhat is a SPAC? From the IPO to redemptions and the de-SPAC merger
What is a SPAC? Learn how its IPO and de-SPAC merger work, why $10 is not a price floor, and how redemptions, PIPEs, warrants and dilution change the picture.
Trading workflow · 9 min readThe active trader’s workflow: from first scan to trade review
Build an active trading workflow: scan, research, take notes, trade, record and review. Compare specialist tools with a connected FennEdge workspace.
Short-selling mechanics · 8 min readWhat is a stock locate? Borrow availability, fees, and limits
Learn what a stock locate confirms before a short sale. Compare ETB and HTB, locate fees and borrow costs, validity limits, and order execution.
Research process · 6 min readA stock suddenly moves: how do you establish what happened?
Research why a stock moved using company announcements, SEC filings, and a source-linked timeline. Separate confirmed events from explanations and unknowns.
Company disclosures · 6 min readOffering, dilution, and reverse split: what is actually changing?
Understand stock offerings, dilution, and reverse splits. Distinguish new issuance from resale and check transaction stages before interpreting share counts.
Market status · 5 min readWhat is a trading halt—and why has the stock stopped moving?
Learn what a stock trading halt means, how to check official halt codes and resumption times, and how to distinguish a halt from inactive or delayed data.
Market sessions · 5 min readPremarket, regular hours, and after-hours: why does trading feel different?
Compare premarket, regular-session, and after-hours stock trading. Understand Eastern Time, liquidity, bid-ask spreads, and broker-specific restrictions.
Order mechanics · 6 min readMarket, limit, and stop: what does each order control?
Compare market, limit, stop, and stop-limit orders. Learn how execution, price limits, triggers, and order duration affect what each order can guarantee.
Quotes and execution · 5 min readBid, ask, and spread: why can a new position show a loss?
Understand bid, ask, last price, and the bid-ask spread. See why a new position can show a loss, and how spread differs from slippage and trading fees.
Trading activity · 5 min readVolume and relative volume: what are you comparing?
Learn what relative volume (RVOL) measures, how its calculation differs across platforms, and why time-matched volume comparisons matter.
Reading the session · 4 min readGap up, gap down, and premarket change: which price are you comparing?
Learn how gap up and gap down are calculated, how opening gaps differ from premarket changes, and why the reference price and timestamp matter.
Stock fundamentals · 4 min readShare price, market cap, and float: is a $5 stock really cheaper?
Understand stock price, market capitalization, and float with simple examples. Learn why a lower share price does not necessarily mean a cheaper company.
Company size · 5 min readSmall-cap, mid-cap, large-cap: what do they actually mean?
Compare small-cap, mid-cap, and large-cap stocks, learn typical market-cap ranges and their limits, and see how FennEdge displays stock classifications.