ACCURACY - SMART SENSING - Oura tracks over 50 health metrics, including sleep, activity, stress, heart health, metabolic health,and women’s health metrics. Smart Sensing technology adapts to you — delivering accurate, continuous data, day and night ACCURATE SIZING ESSENTIAL - Oura Ring 4 uses unique sizing different from standard jewelry rings; use the Oura Ring 4 Sizing Kit to find your perfect fit before purchasing LONG LASTING BATTERY - With 5 to 8 days of battery life, no screens and no vibrations, Oura Ring 4 Ceramic allows you to focus on the present. From a workout to a night out — you’re free to forget it’s on. Until you start getting compliments
At the October 30 check, the price was $589.61, against a recorded range of $370.95 to $600.76 across 169 checks since July 25.
It has held that level for 2 days.
$218.66 above lowest · Checked 2026-10-30
Not buying today? Get one email if this price drops.
Price as of Oct 30, 2026, 3:48 p.m. EDT. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.ca at the time of purchase will apply to the purchase of this product. As an Amazon Associate I earn from qualifying purchases.Prices and availability change.
This is Dipp's observed history, not every price ever offered on Amazon.ca.
The latest observations Dipp has stored for this product. These are periodic checks, not a record of every price Amazon displayed.
| Checked | Price |
|---|---|
| Oct 30, 2026, 8:48 a.m. | $589.61 |
| Oct 29, 2026, 8:47 p.m. | $589.61 |
| Oct 29, 2026, 6:47 a.m. | $589.61 |
| Oct 28, 2026, 3:48 p.m. | $589.61 |
| Oct 28, 2026, 2:47 a.m. | $593.12 |
| Oct 27, 2026, 1:48 p.m. | $593.12 |
| Oct 27, 2026, 12:47 a.m. | $593.12 |
| Oct 26, 2026, 10:48 a.m. | $593.12 |
| Oct 25, 2026, 10:47 p.m. | $593.12 |
| Oct 25, 2026, 8:48 a.m. | $593.12 |
| Oct 24, 2026, 8:47 p.m. | $593.12 |
| Oct 24, 2026, 6:48 a.m. | $593.12 |
Nearest prices in this category, so today’s number has something to sit against.
165 checks since Jul 25 · $295.98–$579.99
Price as of Oct 30, 2026, 11:48 a.m. EDT. Prices and availability change.
![Smart Projector 4k[Google TV 14.0/Gemini AI] Real 1100 ANSI MEMC, HDR10, 30W Dolby Audio, WiMiUS G2 Movie Projector Auto Focus, WiFi 6 & Bluetooth Home Theater Projector for Outdoor Movies & Home](https://m.media-amazon.com/images/I/41bpZMqEiUL._SL500_.jpg)
33 checks since Oct 12 · $479.99–$599.99
Price as of Oct 30, 2026, 9:48 a.m. EDT. Prices and availability change.
173 checks since Jul 25 · $328.00–$579.99
Price as of Oct 30, 2026, 12:48 p.m. EDT. Prices and availability change.
109 checks since Aug 20 · $479.99–$599.99
Price as of Oct 30, 2026, 11:47 a.m. EDT. Prices and availability change.
101 checks since Jul 25 · $97.10–$587.24
Price as of Oct 30, 2026, 2:48 p.m. EDT. Prices and availability change.
61 checks since Sep 25 · $113.99–$134.99
Price as of Oct 30, 2026, 12:48 p.m. EDT. Prices and availability change.
The wider Electronics catalogue on Amazon.ca, each product with its own recorded price history.