Smith Micro Software, Inc. (SMSI)
SMSI moved a median of -0.19% 30 minutes after news, and -0.77% by the close. How SMSI actually reacts to news — the realized, point-in-time move the market made, measured across 304 labeled events over the last three years with zero look-ahead.
SMSI’s median reaction, across the day.
| Horizon | Median | % positive | Events |
|---|---|---|---|
| 5-min | 0.00% | 39% | 297 |
| 30-min | -0.19% | 42% | 304 |
| 60-min | -0.18% | 44% | 304 |
| to close | -0.77% | 43% | 303 |
| Middle 50% of SMSI reactions | -2.83% to +1.59% |
|---|---|
| Median reaction (30-min) | -0.19% |
| Measured reactions | 304 |
Half of all Smith Micro Software, Inc. news events land between -2.83% and +1.59% 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 SMSI moves on news.
One email per qualifying move — the headline, the measured reaction, and how it compares to SMSI's baseline. Nothing else.
Recent SMSI events, each with its measured reaction.
| Date | Headline | Event | Source | 5-min | To close |
|---|---|---|---|---|---|
| Smith Micro Joins the AgeTech Collaborative™ from AARP to Advance Family-Focused Technology for Aging in Place | Press release | Business Wire | — | -1.88% | |
| Form 8-K SMITH MICRO SOFTWARE, For: Sep 17 | SEC filing · Form 8-K | SEC EDGAR | +0.00% | -5.92% | |
| Smith Micro Founder Bill Smith Returns as President and CEO | Press release | Business Wire | +0.00% | -5.92% | |
| Smith Micro Announces Expanded Multi-Year Agreement with U.S. Tier 1 Mobile Operator to Advance Family Safety Innovation | Press release | Business Wire | +0.86% | -3.10% | |
| Smith Micro Announces First Global Partner Launch of SafePath Connect™ Family Safety Solution | Press release | Business Wire | +0.00% | +0.35% | |
| Smith Micro and Consumer Cellular Bring New Senior Phone Experience to Market, Helping Seniors Age in Place | Press release | Business Wire | +5.59% | -0.35% | |
| Form 10-Q SMITH MICRO SOFTWARE, For: Jun 30 | SEC filing · Form 10-Q | SEC EDGAR | +0.00% | +4.66% | |
| Form 8-K SMITH MICRO SOFTWARE, For: Aug 13 | SEC filing · Form 8-K | SEC EDGAR | +4.30% | +2.51% | |
| Smith Micro Introduces SafePath Connect™, Expanding Availability of its Family Safety Solutions | Press release | Business Wire | +4.30% | +2.51% | |
| Smith Micro Reports Second Quarter 2026 Financial Results | Press release | Business Wire | +4.30% | +2.51% | |
| Smith Micro Schedules Teleconference to Announce Second Quarter 2026 Financial Results | Press release | Business Wire | +0.00% | +5.07% | |
| Smith Micro Expands SafePath® Platform with New SDK and API Deployment Options | Press release | Business Wire | — | -1.56% | |
| Form EFFECT SMITH MICRO SOFTWARE, | SEC filing · Form EFFECT | SEC EDGAR | +1.57% | -0.39% | |
| Form S-1 SMITH MICRO SOFTWARE, | SEC filing · Form S-1 | SEC EDGAR | +0.00% | -1.52% | |
| Form S-8 SMITH MICRO SOFTWARE, | SEC filing · Form S-8 | SEC EDGAR | +0.00% | -1.52% | |
| Smith Micro Files Registration Statements Relating to Previously Issued Securities and Equity Incentive Plan | Press release | Business Wire | +0.00% | -1.52% | |
| Form D SMITH MICRO SOFTWARE, | SEC filing · Form D | SEC EDGAR | +0.00% | -3.60% | |
| Form 8-K SMITH MICRO SOFTWARE, For: Jun 23 | SEC filing · Form 8-K | SEC EDGAR | -0.70% | -3.50% | |
| Form 8-K SMITH MICRO SOFTWARE, For: Jun 11 | SEC filing · Form 8-K | SEC EDGAR | -3.58% | -6.35% | |
| Form 8-K SMITH MICRO SOFTWARE, For: May 26 | SEC filing · Form 8-K | SEC EDGAR | -0.09% | +3.42% | |
| Form EFFECT SMITH MICRO SOFTWARE, | SEC filing · Form EFFECT | SEC EDGAR | -2.29% | -1.28% | |
| Form S-1 SMITH MICRO SOFTWARE, | SEC filing · Form S-1 | SEC EDGAR | +1.94% | +1.34% | |
| Smith Micro Files Form S-1 Resale Registration Statement Relating to Previously Issued Securities | Press release | Business Wire | +1.94% | +1.34% | |
| Form 10-Q SMITH MICRO SOFTWARE, For: Mar 31 | SEC filing · Form 10-Q | SEC EDGAR | +2.04% | +3.49% | |
| Form 8-K SMITH MICRO SOFTWARE, For: Apr 29 | SEC filing · Form 8-K | SEC EDGAR | -5.68% | +3.28% | |
| Smith Micro Reports First Quarter 2026 Financial Results | Press release | Business Wire | -5.68% | +3.28% | |
| Smith Micro Schedules Teleconference to Announce First Quarter 2026 Financial Results | Press release | Business Wire | +6.30% | +11.38% | |
| Form ARS SMITH MICRO SOFTWARE, For: Dec 31 | SEC filing · Form ARS | SEC EDGAR | +2.86% | +1.57% | |
| Form DEF 14A SMITH MICRO SOFTWARE, For: May 26 | SEC filing · Form DEF | SEC EDGAR | +2.86% | +1.57% | |
| Form DEFA14A SMITH MICRO SOFTWARE, | SEC filing · Form DEFA14A | SEC EDGAR | +2.86% | +1.57% | |
| Form PRE 14A SMITH MICRO SOFTWARE, For: May 26 | SEC filing · Form PRE | SEC EDGAR | +0.00% | +4.28% | |
| Form D SMITH MICRO SOFTWARE, | SEC filing · Form D | SEC EDGAR | +0.04% | -3.41% | |
| Form 10-K SMITH MICRO SOFTWARE, For: Dec 31 | SEC filing · Form 10-K | SEC EDGAR | -1.63% | -2.10% | |
| Form 8-K SMITH MICRO SOFTWARE, For: Mar 03 | SEC filing · Form 8-K | SEC EDGAR | -3.54% | +13.67% | |
| Smith Micro Announces Investment Led by CEO and Founder, Bill Smith | Press release | Business Wire | -3.54% | +13.67% | |
| Smith Micro Announces Tim Huffmyer to Succeed Bill Smith as President and CEO | Press release | Business Wire | -3.54% | +13.67% | |
| Smith Micro Reports Fourth Quarter and Fiscal Year 2025 Financial Results | Press release | Business Wire | -3.54% | +13.67% | |
| Smith Micro Schedules Teleconference to Announce Fourth Quarter and Fiscal Year 2025 Financial Results | Press release | Business Wire | -0.09% | +10.38% | |
| Form 8-K SMITH MICRO SOFTWARE, For: Feb 03 | SEC filing · Form 8-K | SEC EDGAR | +0.72% | +4.28% | |
| Smith Micro Announces Launch of SafePath OS™ for Senior Phone | Press release | Business Wire | +1.94% | +7.52% | |
| Form 8-K SMITH MICRO SOFTWARE, For: Dec 23 | SEC filing · Form 8-K | SEC EDGAR | -2.88% | +3.24% | |
| Form EFFECT SMITH MICRO SOFTWARE, | SEC filing · Form EFFECT | SEC EDGAR | +0.48% | -0.81% | |
| Form S-1 SMITH MICRO SOFTWARE, | SEC filing · Form S-1 | SEC EDGAR | +6.61% | +3.42% | |
| Smith Micro Congratulates MasOrange on SERES Foundation Award | Press release | Business Wire | -1.65% | -1.25% | |
| Form D SMITH MICRO SOFTWARE, | SEC filing · Form D | SEC EDGAR | — | -5.60% | |
| Form 8-K SMITH MICRO SOFTWARE, For: Nov 05 | SEC filing · Form 8-K | SEC EDGAR | +0.75% | -0.32% | |
| Form 10-Q SMITH MICRO SOFTWARE, For: Sep 30 | SEC filing · Form 10-Q | SEC EDGAR | -3.68% | -10.74% | |
| Form 8-K SMITH MICRO SOFTWARE, For: Nov 05 | SEC filing · Form 8-K | SEC EDGAR | -3.68% | -10.74% | |
| Smith Micro Founder and CEO Bill Smith to Invest $1.5 Million in Financing | Press release | Business Wire | -3.68% | -10.74% | |
| Smith Micro Reports Third Quarter 2025 Financial Results | Press release | Business Wire | -3.68% | -10.74% |
Each reaction is the move the market actually made, measured from the news timestamp. Headlines link through to the SMSI section they belong to.
Where else SMSI is measured.
SMSI earnings → · Analyst actions → · SEC filings →
Other Technology names, measured the same way
| Ticker | Events | Median 30-min | % positive |
|---|---|---|---|
| Cognex Corporation (CGNX) | 305 | -0.18% | 41% |
| Aurora Mobile Limited - American Depositary Shares (JG) | 305 | +0.10% | 52% |
| Knowles Corporation (KN) | 302 | -0.08% | 46% |
| Mechanical Technology Incorporated (MKTY) | 302 | 0.00% | 44% |
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.
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How the numbers are made.
How is Smith Micro Software, Inc.'s median reaction calculated?
Every labeled SMSI 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 304 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. 42% of SMSI'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 SMSI'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.