Korg Opsix mkii 37-Key Altered FM Synthesizer
keyboard
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Why this number?
The typical used price is the median of 12 used sales observed in the last 6 months, with outliers removed and the figure rounded. An observed sale is often the last asking price rather than a confirmed hammer price.
| Typical used price | €410 | median sold, rounded |
| Most sold between | €360–€430 | 25th to 75th percentile, same window |
| Window | last 6 months | the tightest of 90 days, 6 months and 24 months with 8 used sales |
| Sample | 12 used sales | thin data, treat as a rough guide |
| By condition | same as typical | excellent, median of 11 sales, same window |
| Time to sell | — | only counted from listings we watch start to finish; not enough yet |
| Live asks | €575 | typical ask across 26 listings, 40% above typical used |
| Outliers | dropped | beyond 10× the product’s own median: bundles, parts, typos |
| All-time | €420 | 40 used sales, 2024–2026; not used for deals |
| Sales on record | 59 | all-time, all platforms |
Typical prices are rounded (to 5 / 10 / 50 / 100 by size, in whichever currency you read); asks and the chart are exact. As of 20 October 2026. Full method, including what each badge means
For sale right now
The best-priced as cards, a row of them; every other ad as a line, by ask. Each ask is the seller’s own number; the platform’s mark opens the listing. Each one says when we last confirmed it at its source: the price and availability are from that visit, so check the marketplace before you go.
Reverb
eBay United States
20 more live · €535–€1,153 · typical ask €575 · most of these are new asks against a used typical
- €53530% over typicalnew ·
United States · eBay United States · confirmed 2 days ago - €53530% over typicalnew · United States · Reverb · confirmed 17 h ago
- €53530% over typicalnew · United States · Reverb · confirmed 17 h ago
- €53530% over typicalnew · United States · eBay United States · confirmed 2 days ago
- €54834% over typicalnew · United States · Reverb · confirmed 17 h ago
- €55836% over typicalnew ·
Canada · Reverb · confirmed 17 h ago - €57540% over typicalnew · United States · eBay United States · confirmed 2 days ago
- €57540% over typicalnew · United States · Reverb · confirmed 17 h ago
- €57941% over typicalnew · United States · Reverb · confirmed 17 h ago
- €58944% over typicalnew ·
Japan · eBay United States · confirmed 2 days ago - €58944% over typicalnew · Japan · eBay United States · confirmed 2 days ago
- €59044% over typicalnew · Japan · eBay United States · confirmed 2 days ago
- €60046% over typicalnew · Japan · eBay United States · confirmed 2 days ago
- €60648% over typicalnew · United States · Reverb · confirmed 17 h ago
- €60648% over typicalnew · United States · eBay United States · confirmed 2 days ago
- €64056% over typicalnew · Japan · eBay United States · confirmed 2 days ago
- €72376% over typicalnew ·
Italy · eBay United States · confirmed 17 h ago - €72978% over typicalnew · United States · Reverb · confirmed 17 h ago
- €81098% over typicalnew · Japan · eBay United States · confirmed 2 days agocheck this is the same keyboard
- €1,153181% over typicalnew · Japan · eBay United States · confirmed 2 days agocheck this is the same keyboard
Price history
Every recorded sale, one point each: 59 of them, placed by the day the ad went up. Too few sales to draw a trend through them without inventing one, so the points speak for themselves. Condition is mixed, so some of the spread is a mint against a fair rather than the market moving.
Recent sales by listing date
12 used sales · last 6 months · middle half €360–€430 · thin
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 14 Oct 2026 | €408$459 as sold | excellent | United States | Reverb | Details |
| 30 Sept 2026 | €312$350 as sold | excellent | United States | Reverb | Details |
| 10 May 2026 | €451$525 as sold | very good | United States | Reverb | Details |
| 11 Nov 2025 | €487$567 as sold | mint |  United Kingdom | Reverb | Details |
| 16 Sept 2025 | €684$795 as sold | new | Canada | Reverb | Details |
A date is the day the ad went up. Marketplaces do not publish the day a sale closed; each of these had sold by the time we recorded it, in August 2026 and October 2026. A price is what the listing last asked, converted at that day’s rate.
Show the last 50 of 59 recorded sales
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 24 Aug 2026 | €318$370 as sold | excellent | United States | Reverb | Details |
| 18 Aug 2026 | €420$471 as sold | excellent | United States | Reverb | Details |
| 4 Aug 2026 | €437$490 as sold | excellent | United States | Reverb | Details |
| 31 Jul 2026 | €365$425 as sold | excellent | United States | Reverb | Details |
| 16 Jul 2026 | €472$550 as sold | excellent | United States | Reverb | Details |
| 12 Jul 2026 | €426$496 as sold | excellent | United Kingdom | Reverb | Details |
| 2 Jun 2026 | €365$425 as sold | excellent | United States | Reverb | Details |
| 1 Jun 2026 | €406$473 as sold | excellent |  Spain | Reverb | Details |
| 28 Apr 2026 | €352$410 as sold | excellent | United States | Reverb | Details |
| 17 Apr 2026 | €412$479 as sold | excellent | United Kingdom | Reverb | Details |
| 2 Apr 2026 | €472$550 as sold | excellent | United States | Reverb | Details |
| 28 Mar 2026 | €408$475 as sold | excellent | United States | Reverb | Details |
| 1 Mar 2026 | €387$450 as sold | excellent | United States | Reverb | Details |
| 21 Feb 2026 | €454$529 as sold | excellent | United States | Reverb | Details |
| 28 Jan 2026 | €365$425 as sold | excellent | United States | Reverb | Details |
| 31 Dec 2025 | €402$453 as sold | excellent | United Kingdom | Reverb | Details |
| 7 Nov 2025 | €377$439 as sold | excellent | United States | Reverb | Details |
| 16 Sept 2025 | €429$500 as sold | mint | United States | Reverb | Details |
| 27 Jul 2025 | €404$470 as sold | mint | United States | Reverb | Details |
| 14 Jul 2025 | €429$500 as sold | excellent | United States | Reverb | Details |
| 19 Jun 2025 | €515$600 as sold | mint | United States | Reverb | Details |
| 15 Jun 2025 | €463$539 as sold | mint | United States | Reverb | Details |
| 7 Jun 2025 | €540$626 as sold | new | Italy | Reverb | Details |
| 4 Jun 2025 | €481$560 as sold | very good | Japan | Reverb | Details |
| 2 Jun 2025 | €335$390 as sold | mint | United States | Reverb | Details |
| 22 May 2025 | €545$635 as sold | mint | United States | Reverb | Details |
| 1 Apr 2025 | €515$600 as sold | mint | United States | Reverb | Details |
| 28 Mar 2025 | €519$600 as sold | new | United States | Reverb | Details |
| 10 Mar 2025 | €582$675 as sold | mint | United States | Reverb | Details |
| 10 Mar 2025 | €582$675 as sold | mint | United States | Reverb | Details |
| 17 Jan 2025 | €515$600 as sold | very good | Japan | Reverb | Details |
| 11 Jan 2025 | €625$724 as sold | new | Italy | Reverb | Details |
| 1 Oct 2024 | €344$400 as sold | mint | United States | Reverb | Details |
| 13 Sept 2024 | €429$500 as sold | mint | United States | Reverb | Details |
| 8 Sept 2024 | €429$500 as sold | excellent | United States | Reverb | Details |
| 31 Aug 2024 | €499$579 as sold | new |  Germany | Reverb | Details |
| 25 Aug 2024 | €512$596 as sold | excellent | United Kingdom | Reverb | Details |
| 7 Aug 2024 | €510$591 as sold | new |  France | Reverb | Details |
| 16 Jul 2024 | €292$340 as sold | mint | United States | Reverb | Details |
| 11 Jul 2024 | €365$425 as sold | mint | Japan | Reverb | Details |
| 3 Jul 2024 | €644$750 as sold | mint | United States | Reverb | Details |
| 5 Jun 2024 | €780$904 as sold | new |  Australia | Reverb | Details |
| 4 Jun 2024 | €472$550 as sold | mint | United States | Reverb | Details |
| 22 May 2024 | €607$704 as sold | new | Italy | Reverb | Details |
| 11 May 2024 | €647$750 as sold | new | United States | Reverb | Details |
A date is the day the ad went up. Marketplaces do not publish the day a sale closed; each of these had sold by the time we recorded it, in August 2026 and October 2026. A price is what the listing last asked, converted at that day’s rate.
Cheapest live: Italy €417 · France €484 · United States €489 · Germany €531 · before shipping
In one paragraph
The page's figures as one paragraph, assembled for quoting; not written by hand.
Sellers are asking a median of €575 for the Korg Opsix mkii 37-Key Altered FM Synthesizer today, 40% over the €410 it actually sells for (12 recorded sales, last 6 months; most sold between €360 and €430). There are 26 listings live right now across Reverb, eBay United States, from €417 asking. Figures computed 20 October 2026 by Doirado from cross-platform listing data.