Thomson Reuters Corp - Common Shares (TRI)
TRI moved a median of +0.08% 30 minutes after news, and +0.14% by the close. How TRI actually reacts to news — the realized, point-in-time move the market made, measured across 345 labeled events over the last three years with zero look-ahead.
TRI’s median reaction, across the day.
| Horizon | Median | % positive | Events |
|---|---|---|---|
| 5-min | +0.02% | 52% | 345 |
| 30-min | +0.08% | 55% | 345 |
| 60-min | +0.03% | 51% | 345 |
| to close | +0.14% | 53% | 343 |
| Middle 50% of TRI reactions | -0.35% to +0.67% |
|---|---|
| Median reaction (30-min) | +0.08% |
| Measured reactions | 345 |
Half of all Thomson Reuters Corp - Common Shares news events land between -0.35% and +0.67% at 30 minutes.
Reaction stats as of 2026-09-21. Newest measured event . Reaction = percent move vs. the price at the news timestamp.
How TRI reacts, by analyst action.
| Event | Events | Median 30-min | % positive | Median to close |
|---|---|---|---|---|
| Analyst upgrades | 51 | +0.25% | 59% | +0.13% |
| Analyst downgrades | 17 | +0.05% | 53% | +0.04% |
| Rating reiterations | 67 | +0.00% | 51% | +0.17% |
| Price-target raises | 36 | +0.11% | 64% | +0.10% |
| Price-target cuts | 17 | -0.02% | 47% | +0.47% |
Last 3 years, pulled 2026-09-21. Reaction = percent move vs. the price at the news timestamp. Counts and medians only. The same measurement runs across every name in the dataset. 1 further class was observed with fewer than 10 measured events and is not published. See how TRI ranks against every other measured name →
That’s how TRI usually reacts — get an email when it moves on news →Email me when TRI moves on news.
One email per qualifying move — the headline, the measured reaction, and how it compares to TRI's baseline. Nothing else.
Recent TRI events, each with its measured reaction.
| Date | Headline | Event | Source | 5-min | To close |
|---|---|---|---|---|---|
| Legal Work Crosses Borders. Now So Does CoCounsel Legal. | Press release | Canada Newswire | +0.38% | +0.31% | |
| Thomson Reuters and KKR complete joint venture for Global Print Business | Press release | Canada Newswire | -0.19% | -0.98% | |
| Thomson Reuters Third Quarter 2026 Earnings Announcement and Webcast Scheduled for November 3, 2026 | Press release | Canada Newswire | -0.14% | -0.08% | |
| Form 6-K THOMSON REUTERS CORP For: Sep 17 | SEC filing · Form 6-K | SEC EDGAR | -0.32% | -1.03% | |
| Form 6-K THOMSON REUTERS CORP For: Sep 11 | SEC filing · Form 6-K | SEC EDGAR | +2.89% | +4.67% | |
| Form SUPPL THOMSON REUTERS CORP | SEC filing · Form SUPPL | SEC EDGAR | +2.89% | +4.67% | |
| Thomson Reuters Named a Leader in IDC MarketScape for Compliant e-Invoicing | Press release | Canada Newswire | -0.35% | -0.15% | |
| Form 6-K THOMSON REUTERS CORP For: Sep 10 | SEC filing · Form 6-K | SEC EDGAR | +0.44% | +1.20% | |
| Form SUPPL THOMSON REUTERS CORP | SEC filing · Form SUPPL | SEC EDGAR | -0.46% | -1.31% | |
| Thomson Reuters Announces Pricing of Public Offering of US$1,300,000,000 Notes and Canadian Private Placement of C$1,000,000,000 Notes | Press release | Canada Newswire | +0.44% | +1.20% | |
| Thomson Reuters Leverages its World-Class Data Assets to Launch Its Own Frontier Model | Press release | Canada Newswire | +0.05% | +2.30% | |
| Thomson Reuters Launches Next Generation of CoCounsel Legal, the AI Ecosystem Built for Legal Professionals | Press release | Canada Newswire | +1.28% | +1.17% | |
| Form 6-K THOMSON REUTERS CORP For: Jun 30 | SEC filing · Form 6-K | SEC EDGAR | +0.43% | +1.99% | |
| Form 6-K THOMSON REUTERS CORP For: Aug 05 | SEC filing · Form 6-K | SEC EDGAR | -1.06% | -10.34% | |
| Thomson Reuters Reports Second-Quarter 2026 Results | Press release | Canada Newswire | -1.06% | -10.34% | |
| Form 6-K THOMSON REUTERS CORP For: Jul 14 | SEC filing · Form 6-K | SEC EDGAR | -0.15% | +1.34% | |
| Thomson Reuters and KKR Announce Joint Venture for Thomson Reuters Global Print Business | Press release | Canada Newswire | -0.15% | +1.34% | |
| Thomson Reuters Second Quarter 2026 Earnings Announcement and Webcast Scheduled for August 5, 2026 | Press release | Canada Newswire | +0.19% | +0.24% | |
| AI is Ready but Firms are Not: How Falling Behind on AI Implementation is Costing Clients and Talent | Press release | Canada Newswire | -0.54% | -1.53% | |
| Form 6-K THOMSON REUTERS CORP For: Jun 11 | SEC filing · Form 6-K | SEC EDGAR | -0.77% | -0.78% | |
| Thomson Reuters Announces Voting Results for Election of Directors | Press release | Canada Newswire | -0.77% | -0.78% | |
| Crunchafi Launches In-App Integration with Thomson Reuters Guided Assurance, Bringing Lease Accounting Automation Directly into PPC Audit Workflows | Press release | GlobeNewswire | -0.76% | -1.92% | |
| Thomson Reuters Standard for High Stakes AI | Press release | Canada Newswire | +0.12% | -3.18% | |
| Thomson Reuters to Present at CIBC Technology & Innovation Conference | Press release | Canada Newswire | -0.34% | +1.53% | |
| Sterne Kessler and Thomson Reuters Partner to Create New AI Tool for Patent Litigation | Press release | Business Wire | +0.40% | -1.00% | |
| Thomson Reuters and Anthropic Expand Partnership to Connect Claude with CoCounsel Legal | Press release | Canada Newswire | +3.06% | +2.38% | |
| Form 6-K THOMSON REUTERS CORP For: Mar 31 | SEC filing · Form 6-K | SEC EDGAR | +1.65% | +2.53% | |
| Form 6-K THOMSON REUTERS CORP For: May 05 | SEC filing · Form 6-K | SEC EDGAR | +2.58% | -3.62% | |
| Thomson Reuters Reports First-Quarter 2026 Results | Press release | Canada Newswire | +2.58% | -3.62% | |
| Form 6-K THOMSON REUTERS CORP For: May 01 | SEC filing · Form 6-K | SEC EDGAR | -0.65% | +1.40% | |
| Form 6-K THOMSON REUTERS CORP For: May 04 | SEC filing · Form 6-K | SEC EDGAR | +2.58% | -3.62% | |
| Thomson Reuters Announces Cash Distribution Per Share and Share Consolidation Ratio for Return of Capital and Share Consolidation Transactions | Press release | Canada Newswire | -0.65% | +1.40% | |
| Form 6-K THOMSON REUTERS CORP For: Apr 30 | SEC filing · Form 6-K | SEC EDGAR | +2.08% | -1.68% | |
| Thomson Reuters Receives Court Approval for Return of Capital and Share Consolidation Transactions | Press release | Canada Newswire | +0.46% | +2.09% | |
| Form 6-K THOMSON REUTERS CORP For: Apr 28 | SEC filing · Form 6-K | SEC EDGAR | +0.27% | +3.67% | |
| Thomson Reuters to Present at Barclays Americas Select Franchise Conference | Press release | Canada Newswire | +0.30% | +3.01% | |
| Thomson Reuters Announces Voting Results of Return of Capital and Share Consolidation Transactions | Press release | Canada Newswire | +0.27% | +3.67% | |
| Form 6-K THOMSON REUTERS CORP For: Apr 15 | SEC filing · Form 6-K | SEC EDGAR | +1.05% | -0.32% | |
| Form 6-K THOMSON REUTERS CORP For: Apr 14 | SEC filing · Form 6-K | SEC EDGAR | +1.08% | +4.84% | |
| Thomson Reuters Reminds Non-Canadian Taxable Shareholders of "Opt-Out" Alternative for Return of Capital | Press release | Canada Newswire | +1.08% | +4.84% | |
| Thomson Reuters First Quarter 2026 Earnings Announcement and Webcast Scheduled for May 5, 2026 | Press release | Canada Newswire | -0.28% | -1.61% | |
| Smokeball and Thomson Reuters Partner to Create the Premier Legal Technology Ecosystem | Press release | PR Newswire | -0.89% | +0.04% | |
| Form 6-K THOMSON REUTERS CORP For: Mar 13 | SEC filing · Form 6-K | SEC EDGAR | -0.43% | +0.36% | |
| Thomson Reuters Files Documents for Proposed Return of Capital and Share Consolidation Transactions | Press release | PR Newswire | -0.43% | +0.36% | |
| Thomson Reuters to Present at Bank of America 2026 Conference | Press release | PR Newswire | -0.06% | -0.45% | |
| Form 40-F THOMSON REUTERS CORP For: Dec 31 | SEC filing · Form 40-F | SEC EDGAR | +0.11% | +2.73% | |
| Form 6-K THOMSON REUTERS CORP For: Mar 05 | SEC filing · Form 6-K | SEC EDGAR | +0.11% | +2.73% | |
| Form IRANNOTICE THOMSON REUTERS CORP | SEC filing · Form IRANNOTICE | SEC EDGAR | +0.11% | +2.73% | |
| Thomson Reuters Files 2025 Annual Report | Press release | PR Newswire | +0.11% | +2.73% | |
| Form 6-K THOMSON REUTERS CORP For: Mar 04 | SEC filing · Form 6-K | SEC EDGAR | +1.95% | +4.63% |
Each reaction is the move the market actually made, measured from the news timestamp. Headlines link through to the TRI section they belong to.
Where else TRI is measured.
TRI earnings → · Analyst actions → · SEC filings →
Other Financial Services names, measured the same way
| Ticker | Events | Median 30-min | % positive |
|---|---|---|---|
| Prosperity Bancshares, Inc. (PB) | 346 | +0.07% | 57% |
| Peoples Financial Services Corp. (PFIS) | 345 | -0.10% | 38% |
| MarketAxess Holdings, Inc. (MKTX) | 344 | -0.17% | 38% |
| Reinsurance Group of America, Incorporated (RGA) | 344 | -0.02% | 49% |
Same sector, same measurement: percent move vs. the price at the news timestamp, read at 30 minutes. Sample sizes differ, so the medians are comparable but the confidence behind them is not.
All Financial Services names, measured the same way →
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Every name we’ve measured, in one place.
How the numbers are made.
How is Thomson Reuters Corp - Common Shares's median reaction calculated?
Every labeled TRI 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 345 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. 55% of TRI'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 TRI'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.