MFS Intermediate High Income Fund (CIF)
CIF moved a median of 0.00% 30 minutes after news, and 0.00% by the close. How CIF actually reacts to news — the realized, point-in-time move the market made, measured across 49 labeled events over the last three years with zero look-ahead.
CIF’s median reaction, across the day.
| Horizon | Median | % positive | Events |
|---|---|---|---|
| 5-min | 0.00% | 14% | 35 |
| 30-min | 0.00% | 36% | 47 |
| 60-min | 0.00% | 40% | 48 |
| to close | 0.00% | 29% | 48 |
| Middle 50% of CIF reactions | -0.14% to +0.20% |
|---|---|
| Median reaction (30-min) | 0.00% |
| Measured reactions | 49 |
Half of all MFS Intermediate High Income Fund news events land between -0.14% and +0.20% 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 CIF moves on news.
One email per qualifying move — the headline, the measured reaction, and how it compares to CIF's baseline. Nothing else.
Recent CIF events, each with its measured reaction.
| Date | Headline | Event | Source | 5-min | To close |
|---|---|---|---|---|---|
| Certain MFS Closed-End Funds Announce Closing Date for Reorganization and Change of Investment Adviser | Press release | Business Wire | +0.00% | -0.62% | |
| Form NPORT-P MFS INTERMEDIATE HIGH For: Feb 28 | SEC filing · Form NPORT-P | SEC EDGAR | — | +0.62% | |
| MFS Releases Closed-End Fund Income Distribution Sources for Certain Funds | Press release | Business Wire | +0.00% | +0.93% | |
| MFS Releases Closed-End Fund Income Distribution Sources for Certain Funds | Press release | Business Wire | +0.00% | -0.59% | |
| Form N-CEN MFS INTERMEDIATE HIGH For: Nov 30 | SEC filing · Form N-CEN | SEC EDGAR | +0.29% | +0.29% | |
| Form NPORT-P MFS INTERMEDIATE HIGH For: Nov 30 | SEC filing · Form NPORT-P | SEC EDGAR | +0.00% | +0.00% | |
| Form N-CSR MFS INTERMEDIATE HIGH For: Nov 30 | SEC filing · Form N-CSR | SEC EDGAR | — | +0.00% | |
| MFS Releases Closed-End Fund Income Distribution Sources for Certain Funds | Press release | Business Wire | +0.00% | +0.59% | |
| Form NPORT-P MFS INTERMEDIATE HIGH For: Aug 31 | SEC filing · Form NPORT-P | SEC EDGAR | +0.00% | -0.58% | |
| MFS Releases Closed-End Fund Income Distribution Sources for Certain Funds | Press release | Business Wire | +0.00% | -0.55% | |
| Form N-PX MFS INTERMEDIATE HIGH For: Jun 30 | SEC filing · Form N-PX | SEC EDGAR | — | +0.00% | |
| Form N-CSRS MFS INTERMEDIATE HIGH For: May 31 | SEC filing · Form N-CSRS | SEC EDGAR | +0.28% | +0.29% | |
| Form NPORT-P MFS INTERMEDIATE HIGH For: May 31 | SEC filing · Form NPORT-P | SEC EDGAR | -1.14% | -0.57% | |
| MFS Releases Closed-End Fund Income Distribution Sources for Certain Funds | Press release | Business Wire | +0.00% | +0.59% | |
| Form NPORT-P MFS INTERMEDIATE HIGH For: Feb 28 | SEC filing · Form NPORT-P | SEC EDGAR | +0.00% | -0.30% | |
| Form N-CEN MFS INTERMEDIATE HIGH For: Nov 30 | SEC filing · Form N-CEN | SEC EDGAR | -0.57% | +0.00% | |
| Form N-CSR MFS INTERMEDIATE HIGH For: Nov 30 | SEC filing · Form N-CSR | SEC EDGAR | — | -0.29% | |
| Form NPORT-P MFS INTERMEDIATE HIGH For: Nov 30 | SEC filing · Form NPORT-P | SEC EDGAR | +0.00% | +0.00% | |
| Form NPORT-P MFS INTERMEDIATE HIGH For: Aug 31 | SEC filing · Form NPORT-P | SEC EDGAR | +0.00% | -0.57% | |
| Form N-PX MFS INTERMEDIATE HIGH For: Jun 30 | SEC filing · Form N-PX | SEC EDGAR | +0.56% | +0.00% | |
| Form NPORT-P MFS INTERMEDIATE HIGH For: May 31 | SEC filing · Form NPORT-P | SEC EDGAR | +0.58% | +0.01% | |
| Form N-CSRS MFS INTERMEDIATE HIGH For: May 31 | SEC filing · Form N-CSRS | SEC EDGAR | +0.00% | +0.00% | |
| MFS Releases Closed-End Fund Income Distribution Sources for Certain Funds | Press release | Business Wire | -0.25% | -0.60% | |
| MFS Releases Closed-End Fund Income Distribution Sources for Certain Funds | Press release | Business Wire | +0.60% | +1.21% | |
| Form NPORT-P MFS INTERMEDIATE HIGH For: Feb 29 | SEC filing · Form NPORT-P | SEC EDGAR | +0.00% | +0.00% | |
| MFS Releases Closed-End Fund Income Distribution Sources for Certain Funds | Press release | Business Wire | +0.00% | -0.58% | |
| MFS Releases Closed-End Fund Income Distribution Sources for Certain Funds | Press release | Business Wire | +0.00% | +0.00% | |
| Form N-CEN MFS INTERMEDIATE HIGH For: Nov 30 | SEC filing · Form N-CEN | SEC EDGAR | — | +0.58% | |
| Form N-CSR MFS INTERMEDIATE HIGH For: Nov 30 | SEC filing · Form N-CSR | SEC EDGAR | — | +0.29% | |
| Form NPORT-P MFS INTERMEDIATE HIGH For: Nov 30 | SEC filing · Form NPORT-P | SEC EDGAR | +0.00% | +0.59% | |
| MFS Releases Closed-End Fund Income Distribution Sources for Certain Funds | Press release | Business Wire | +0.00% | +0.00% | |
| Form NPORT-P MFS INTERMEDIATE HIGH For: Aug 31 | SEC filing · Form NPORT-P | SEC EDGAR | -0.33% | +1.33% |
Each reaction is the move the market actually made, measured from the news timestamp. Headlines link through to the CIF section they belong to.
Where else CIF is measured.
CIF earnings → · Analyst actions → · SEC filings →
Other Financial Services names, measured the same way
| Ticker | Events | Median 30-min | % positive |
|---|---|---|---|
| BLACKSTAR ENTERPRISE GRP (BEGI) | 49 | 0.00% | 37% |
| Blackrock Core Bond Trust Blackrock Core Bond Trust (BHK) | 49 | 0.00% | 41% |
| COMMERZBANK AG ORD NEW (CRZBF) | 49 | 0.00% | 0% |
| FRIENDLY HILLS BANCORP (FHLB) | 49 | 0.00% | 12% |
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 MFS Intermediate High Income Fund's median reaction calculated?
Every labeled CIF 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 49 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. 36% of CIF'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 CIF'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.