It's a nearly 15 year old model.
If your considering more than half the retail, it may stay listed for awhile. IMO, half is still high. If a cable listed for $1k, I wouldn't consider it for more than $450-500.
Used audio gear/peripherals is for a small group of enthusiasts, in the know. Outside of that, it's junk to everyone else.
I got most all my pricey cable used.Great way to get nice stuff. Thankfully, I'm done with the madness of buying.selling stuff.