Ukrainian forces retain control of Kupiansk and its approaches in Kharkiv Oblast as of late September 2026, with Russian units conducting limited assaults and infiltration attempts toward the Kupiansk-Vuzlovyi rail hub without achieving consolidated gains. Recent Ukrainian drone operations, including strikes by the 77th Separate Airmobile Brigade on September 21 that destroyed multiple Russian shelters and communications equipment, have disrupted enemy assembly areas and logistics. Ukrainian National Guard units have also cleared additional territory north of the city near Dvorichna and Zapadne, shrinking Russian positions on the right bank of the Oskil River. These defensive actions and counter-moves continue to constrain Russian efforts to secure the key logistics node amid ongoing frontline clashes.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedWill Russia capture Kupiansk-Vuzlovyi by...?
$227,780 Vol.
September 30
3%
December 31
21%
$227,780 Vol.
September 30
3%
December 31
21%
The railroad station will be considered captured if any part of the train station icon is shaded red on the ISW map (https://storymaps.arcgis.com/stories/36a7f6a6f5a9448496de641cf64bd375) by the resolution date. If the area is not shaded red by December 31, 2026, 11:59 PM ET, the market will resolve to “No”.
For any change on the ISW map to qualify for this market’s resolution, the relevant shading indicating Russian control must persist through the next full ISW daily update cycle. If ISW skips a day, shading must persist until the next finalized ISW update is published, regardless of the date. Any continuous shading which reflects either “Assessed Russian Control”, “Assessed Russian Advance In Ukraine”, or “Assessed Russian Gains in the Past 24 Hours” will qualify. “Assessed Russian Infiltration Areas in Ukraine” will not qualify.
If Russia comes into control of this territory as a result of a negotiated settlement, this will qualify for a 'Yes' resolution, regardless of whether it is shaded red in the ISW map. An announcement of a negotiated settlement that gives Russia de jure control will not qualify. Actual control must be established.
Once Russia captures the railroad station, any subsequent loss of control will not be considered towards the resolution of this market.
Train Station Location: https://polymarket-upload.s3.us-east-2.amazonaws.com/Kupiansk-Vuzlovyi+1.png
Train Station Location in Kupiansk-Vuzlovyi: https://polymarket-upload.s3.us-east-2.amazonaws.com/Kupiansk-Vuzlovyi+2.png
Kupiansk-Vuzlovyi Location: https://polymarket-upload.s3.us-east-2.amazonaws.com/Kupiansk-Vuzlovyi+3.png
Location on Google Maps: https://maps.app.goo.gl/2DWkLwtmD3dTUGbc8
The primary resolution source for this market will be the ISW Ukraine map. If the ISW map is rendered unavailable, information from DeepStateMap (https://deepstatemap.live/) may be used. If information from both the ISW and DeepStateMap are rendered permanently unavailable, a consensus of credible reporting may be used.
Note: Any temporary glitches or errors in the map will not be considered.
Market Opened: May 27, 2026, 5:26 PM ET
Resolver
0x65070BE91...The railroad station will be considered captured if any part of the train station icon is shaded red on the ISW map (https://storymaps.arcgis.com/stories/36a7f6a6f5a9448496de641cf64bd375) by the resolution date. If the area is not shaded red by December 31, 2026, 11:59 PM ET, the market will resolve to “No”.
For any change on the ISW map to qualify for this market’s resolution, the relevant shading indicating Russian control must persist through the next full ISW daily update cycle. If ISW skips a day, shading must persist until the next finalized ISW update is published, regardless of the date. Any continuous shading which reflects either “Assessed Russian Control”, “Assessed Russian Advance In Ukraine”, or “Assessed Russian Gains in the Past 24 Hours” will qualify. “Assessed Russian Infiltration Areas in Ukraine” will not qualify.
If Russia comes into control of this territory as a result of a negotiated settlement, this will qualify for a 'Yes' resolution, regardless of whether it is shaded red in the ISW map. An announcement of a negotiated settlement that gives Russia de jure control will not qualify. Actual control must be established.
Once Russia captures the railroad station, any subsequent loss of control will not be considered towards the resolution of this market.
Train Station Location: https://polymarket-upload.s3.us-east-2.amazonaws.com/Kupiansk-Vuzlovyi+1.png
Train Station Location in Kupiansk-Vuzlovyi: https://polymarket-upload.s3.us-east-2.amazonaws.com/Kupiansk-Vuzlovyi+2.png
Kupiansk-Vuzlovyi Location: https://polymarket-upload.s3.us-east-2.amazonaws.com/Kupiansk-Vuzlovyi+3.png
Location on Google Maps: https://maps.app.goo.gl/2DWkLwtmD3dTUGbc8
The primary resolution source for this market will be the ISW Ukraine map. If the ISW map is rendered unavailable, information from DeepStateMap (https://deepstatemap.live/) may be used. If information from both the ISW and DeepStateMap are rendered permanently unavailable, a consensus of credible reporting may be used.
Note: Any temporary glitches or errors in the map will not be considered.
Resolver
0x65070BE91...Ukrainian forces retain control of Kupiansk and its approaches in Kharkiv Oblast as of late September 2026, with Russian units conducting limited assaults and infiltration attempts toward the Kupiansk-Vuzlovyi rail hub without achieving consolidated gains. Recent Ukrainian drone operations, including strikes by the 77th Separate Airmobile Brigade on September 21 that destroyed multiple Russian shelters and communications equipment, have disrupted enemy assembly areas and logistics. Ukrainian National Guard units have also cleared additional territory north of the city near Dvorichna and Zapadne, shrinking Russian positions on the right bank of the Oskil River. These defensive actions and counter-moves continue to constrain Russian efforts to secure the key logistics node amid ongoing frontline clashes.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated


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