Tradeweb Markets Inc. - Class A (TW)
TW moved a median of +0.05% 30 minutes after news, and +0.03% by the close. How TW actually reacts to news — the realized, point-in-time move the market made, measured across 399 labeled events over the last three years with zero look-ahead.
TW’s median reaction, across the day.
| Horizon | Median | % positive | Events |
|---|---|---|---|
| 5-min | -0.01% | 46% | 399 |
| 30-min | +0.05% | 51% | 399 |
| 60-min | +0.09% | 57% | 399 |
| to close | +0.03% | 51% | 398 |
| Middle 50% of TW reactions | -0.58% to +0.60% |
|---|---|
| Median reaction (30-min) | +0.05% |
| Measured reactions | 399 |
Half of all Tradeweb Markets Inc. - Class A news events land between -0.58% and +0.60% at 30 minutes.
Reaction stats as of 2026-09-21. Newest measured event . Reaction = percent move vs. the price at the news timestamp.
Email me when TW moves on news.
One email per qualifying move — the headline, the measured reaction, and how it compares to TW's baseline. Nothing else.
Recent TW events, each with its measured reaction.
| Date | Headline | Event | Source | 5-min | To close |
|---|---|---|---|---|---|
| Form 8-K Tradeweb Markets Inc. For: Oct 19 | SEC filing · Form 8-K | SEC EDGAR | +2.08% | +2.79% | |
| Tradeweb to Acquire Trumid, Expanding Tradeweb’s Credit Capabilities Across the Entire Bond Lifecycle and Further Differentiating its Multi-Asset Class Platform | Press release | Business Wire | +2.08% | +2.79% | |
| Tradeweb Reports September 2026 Total Trading Volume of $81.6 Trillion and Average Daily Volume of $3.7 Trillion | Press release | Business Wire | -1.45% | -2.01% | |
| Tradeweb Enhances Ai-Price, Advancing Corporate Bond Pricing | Press release | Business Wire | -0.59% | -4.19% | |
| Tradeweb Announces Date for Third Quarter 2026 Financial Results | Press release | Business Wire | +0.32% | +0.59% | |
| Tradeweb Reports August 2026 Total Trading Volume of $61.2 Trillion and Average Daily Volume of $2.8 Trillion | Press release | Business Wire | +1.07% | +2.21% | |
| First Fully Onchain Repo Transaction Completed Using a Sovereign Digital Bond | Press release | Business Wire | -0.05% | +0.58% | |
| TRADEWEB STOCK ALERT: Kaskela Law LLC Announces Shareholder Investigation of Tradeweb Markets (NASDAQ: TW) and Encourages Current TW Stockholders to Contact the Firm | Press release | Business Wire | -0.54% | -1.86% | |
| Tradeweb Reports July 2026 Total Trading Volume of $67.5 Trillion and Average Daily Volume of $2.9 Trillion | Press release | Business Wire | -0.38% | +0.98% | |
| Form 10-Q Tradeweb Markets Inc. For: Jun 30 | SEC filing · Form 10-Q | SEC EDGAR | -2.25% | -2.20% | |
| Form 8-K Tradeweb Markets Inc. For: Jul 30 | SEC filing · Form 8-K | SEC EDGAR | -2.25% | -2.20% | |
| Tradeweb Reports Second Quarter 2026 Financial Results | Press release | Business Wire | -2.25% | -2.20% | |
| Tradeweb Announces Partnership with Professional Golfer James Nicholas | Press release | Business Wire | +0.30% | +1.34% | |
| Tradeweb Reports June 2026 Total Trading Volume of $69.7 Trillion and Average Daily Volume of $3.2 Trillion | Press release | Business Wire | +0.06% | -1.55% | |
| Tradeweb Facilitates Landmark On-Chain U.S. Treasuries Transaction on the Canton Network | Press release | Business Wire | +0.45% | +0.82% | |
| TRADEWEB MARKETS (TW): Kaskela Law LLC Announces Shareholder Investigation of Tradeweb Markets and Encourages Long-Term Investors to Contact the Firm | Press release | ACCESS Newswire | +0.30% | -2.38% | |
| Tradeweb Expands Kalshi Prediction Market Data, Index into Institutional Trading Workflows | Press release | Business Wire | -0.46% | -3.05% | |
| Tradeweb Announces Date for Second Quarter 2026 Financial Results | Press release | Business Wire | -0.03% | -0.41% | |
| Tradeweb Launches Spread Trading for European Credit Portfolios | Press release | Business Wire | -0.06% | -0.19% | |
| Tradeweb Launches TARA, an AI-Powered Research Assistant for Institutional Credit Trading | Press release | Business Wire | +0.14% | +1.12% | |
| Tradeweb Reports May 2026 Total Trading Volume of $62.3 Trillion and Average Daily Volume of $3.0 Trillion | Press release | Business Wire | -0.71% | -2.00% | |
| Tradeweb to Participate in 46th Annual William Blair Growth Stock Conference and Piper Sandler Global Exchange & Trading Conference | Press release | Business Wire | -0.08% | +0.88% | |
| Form 8-K Tradeweb Markets Inc. For: May 19 | SEC filing · Form 8-K | SEC EDGAR | -0.94% | -0.96% | |
| Tradeweb Reports April 2026 Total Trading Volume of $62.2 Trillion and Average Daily Volume of $2.9 Trillion | Press release | Business Wire | -0.37% | -0.71% | |
| Form 10-Q Tradeweb Markets Inc. For: Mar 31 | SEC filing · Form 10-Q | SEC EDGAR | +4.81% | +9.56% | |
| Form 8-K Tradeweb Markets Inc. For: Apr 29 | SEC filing · Form 8-K | SEC EDGAR | +4.81% | +9.56% | |
| Tradeweb Reports First Quarter 2026 Financial Results | Press release | Business Wire | +4.81% | +9.56% | |
| Tradeweb Expands iNAV Coverage with Xtrackers by DWS | Press release | Business Wire | -0.04% | -1.13% | |
| Geopolitical Risk Concerns Surge for Corporate Treasurers, According to 2026 Tradeweb ICD Portal Client Survey | Press release | Business Wire | -0.10% | +0.89% | |
| Tradeweb Reports Record March 2026 Total Trading Volume of $87.0 Trillion and Record Average Daily Volume of $3.8 Trillion | Press release | Business Wire | +0.10% | +0.83% | |
| Tradeweb Announces Date for First Quarter 2026 Financial Results | Press release | Business Wire | +0.05% | -0.67% | |
| Form ARS Tradeweb Markets Inc. For: Dec 31 | SEC filing · Form ARS | SEC EDGAR | +0.05% | -0.67% | |
| Form DEFA14A Tradeweb Markets Inc. | SEC filing · Form DEFA14A | SEC EDGAR | +0.05% | -0.67% | |
| Tradeweb Builds on Algorithmic Execution Offering for U.S. Treasuries | Press release | Business Wire | +0.79% | +2.21% | |
| Form PRE 14A Tradeweb Markets Inc. For: May 19 | SEC filing · Form PRE | SEC EDGAR | +0.17% | +1.37% | |
| Tradeweb Reports February 2026 Total Trading Volume of $61.8 Trillion and Average Daily Volume of $3.1 Trillion | Press release | Business Wire | -0.43% | -0.07% | |
| Crossover Markets Secures $31 Million Series B Funding at $200 Million Valuation, Led by Tradeweb | Press release | PR Newswire | -0.98% | -0.51% | |
| Tradeweb to Participate in the Raymond James 47th Annual Institutional Investors Conference | Press release | Business Wire | -0.08% | +1.15% | |
| Tradeweb and Kalshi Announce Strategic Partnership to Expand Institutional Access to Prediction Markets | Press release | Business Wire | -0.09% | +1.71% | |
| Tradeweb Makes Investment in MAXEX to Expand Access to the Institutional Marketplace for U.S. Residential Mortgages | Press release | Business Wire | +0.25% | +0.23% | |
| Tradeweb Completes First Fully Electronic Swaption Termination | Press release | Business Wire | -0.73% | -1.37% | |
| Form 10-K Tradeweb Markets Inc. For: Dec 31 | SEC filing · Form 10-K | SEC EDGAR | +3.80% | +8.47% | |
| Form 8-K Tradeweb Markets Inc. For: Feb 05 | SEC filing · Form 8-K | SEC EDGAR | +3.80% | +8.47% | |
| Tradeweb Reports Fourth Quarter and Full Year 2025 Financial Results | Press release | Business Wire | +3.80% | +8.47% | |
| Tradeweb Reports Record January 2026 Total Trading Volume of $65.5 Trillion and Record Average Daily Volume of $3.1 Trillion | Press release | Business Wire | +3.80% | +8.47% | |
| Tradeweb to Participate in the UBS Financial Services Conference | Press release | Business Wire | +0.01% | +0.12% | |
| Tradeweb Launches Multi-Asset Package Trading for USD Swaps | Press release | Business Wire | +1.13% | -1.28% | |
| Tradeweb Announces Date for Fourth Quarter 2025 Financial Results | Press release | Business Wire | +0.24% | +1.55% | |
| Tradeweb Reports December 2025 Total Trading Volume of $63.0 Trillion and Average Daily Volume of $2.8 Trillion | Press release | Business Wire | -1.67% | -4.13% | |
| Form 8-K Tradeweb Markets Inc. For: Dec 31 | SEC filing · Form 8-K | SEC EDGAR | -1.67% | -4.13% |
Each reaction is the move the market actually made, measured from the news timestamp. Headlines link through to the TW section they belong to.
Where else TW is measured.
TW earnings → · Analyst actions → · SEC filings →
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How the numbers are made.
How is Tradeweb Markets Inc. - Class A's median reaction calculated?
Every labeled TW news event is measured from its own timestamp: the last trade before the news is the base price, and the move is read at fixed horizons — 30 minutes of trading, then the close. The median across 399 events is what this page reports. Point-in-time, zero look-ahead: no event borrows information from a later one.
What counts as a positive reaction?
Any event whose price move is above zero at the horizon, relative to the last trade before the news timestamp. 51% of TW's measured events are up at 30 minutes; the rest close the window flat or negative.
How often is this page updated?
The news table refreshes automatically as new events are labeled and priced. The reaction medians are re-pulled in batches from the dataset — the figures here are as of 2026-09-21.
Does TW's past reaction predict its next one?
No. These are realized facts about past events, not forecasts. They describe a distribution — they say nothing certain about any future move.