If using the big market (ebay) to track prices then the market is spotty recently. Terrific condition still commands good pricing. Items missing small parts from a whole, wrong brake pads, used up pads, missing adjusters, seat posts without all the hardware take a big hit. The descriptions have had an inflation of condition assessment, (excellent and very good are suffering a terrible fate) but images often correct for this hyperbole. Condition matters much.
Some items like NOS rims have been on a slow and steady march upwards.
Minimum bids on higher value items have increased or a minimum bid amount set up to insure a basic price and or avoid a reserve.

There have been a number of items recently that went far beyond my expectations before bidding ended.
In particular, a mid 80's Masi Gran Criterium that looked reasonably in good shape, no wheels and starting bid at $500. the auction ended yesterday and well before the end it was over $1,100. Which leads me to comment that the completed auction search database now lags in being updated quite a while, a day or two for an item to show up. A processing power shortage? A strategy?

Then there are the price leaders who price something outrageously high in the hope that it will sell. Most of the time it does not, but DOES encourage others with the same or similar item to price theirs still way above a transaction price in the hope they will gain a nice windfall. Often the result is that the inventory starts to pile up, with numerous languishing items. Saddles seem to be the most vulnerable to this situation.