diff --git a/changes/33.2.5.md b/changes/33.2.5.md
index 5fb9797bd..0591f61d3 100644
--- a/changes/33.2.5.md
+++ b/changes/33.2.5.md
@@ -1,6 +1,7 @@
 * Refine shape of the following characters:
   - LATIN SMALL LETTER RAMS HORN (`U+0264`).
   - GREEK SMALL LETTER PSI (`U+03C8`).
+  - GREEK LETTER STIGMA (`U+03DA`).
   - CYRILLIC SMALL LETTER PSI (`U+0471`).
   - LATIN LETTER AIN (`U+1D25`).
   - MODIFIER LETTER SMALL AIN (`U+1D5C`).
diff --git a/packages/font-glyphs/src/letter/greek/lower-sigma-final.ptl b/packages/font-glyphs/src/letter/greek/lower-sigma-final.ptl
index 6f21f437c..c05247c01 100644
--- a/packages/font-glyphs/src/letter/greek/lower-sigma-final.ptl
+++ b/packages/font-glyphs/src/letter/greek/lower-sigma-final.ptl
@@ -9,7 +9,7 @@ glyph-block Letter-Greek-Lower-Sigma-Final : begin
 	glyph-block-import CommonShapes
 	glyph-block-import Common-Derivatives
 
-	define [SignaFinalEndingKnots] : list
+	define [SigmaFinalEndingKnots] : list
 		curl (SB + OX) SmallArchDepthB
 		arcvh
 		g4 [arch.adjust-x.bot Middle] 0
@@ -19,14 +19,14 @@ glyph-block Letter-Greek-Lower-Sigma-Final : begin
 		flat (RightSB - HookX + OX) (Descender + Stroke)
 		curl [Math.min (RightSB - [HSwToV : 1.5 * Stroke]) (RightSB - HookX + OX - 1)] (Descender + Stroke)
 
-	create-glyph 'grek/sigma/fina' 0x3C2 : glyph-proc
+	create-glyph 'grek/sigma/final' 0x3C2 : glyph-proc
 		include : MarkSet.p
 		include : dispiro
 			widths.lhs
 			g4 RightSB (XH - Hook)
 			hookstart XH
 			flat (SB + OX) (XH - SmallArchDepthA)
-			SignaFinalEndingKnots
+			SigmaFinalEndingKnots
 
 	create-glyph 'grek/stigma' 0x3DB : glyph-proc
 		include : MarkSet.p
@@ -38,7 +38,7 @@ glyph-block Letter-Greek-Lower-Sigma-Final : begin
 			g4 [arch.adjust-x.top Middle] (XH - O)
 			archv 16
 			flat (SB + OX) (XH - SmallArchDepthA)
-			SignaFinalEndingKnots
+			SigmaFinalEndingKnots
 
 	create-glyph 'grek/Stigma' 0x3DA : glyph-proc
 		include : MarkSet.capital
@@ -48,12 +48,11 @@ glyph-block Letter-Greek-Lower-Sigma-Final : begin
 				widths.lhs
 				g4 RightSB (CAP - Hook)
 				hookstart CAP
-				flat (SB + OX) (CAP - ArchDepthA)
-				curl (SB + OX) (yAttach + ArchDepthB)
+				flatside.ld SB yAttach CAP ArchDepthA ArchDepthB
 				arcvh
 				g4 [arch.adjust-x.bot Middle] (yAttach + O)
 				archv
-				g4 [mix Middle RightSB 2] (yAttach + Hook * 2) [heading Upward]
-			Rect (yAttach + Hook * 2 - O) Descender (Middle + [HSwToV HalfStroke]) (2 * Width)
+				g4 [mix Middle RightSB 2] (yAttach + Hook * 1.5) [heading Upward]
+			Rect (yAttach + Hook * 1.5 - O) Descender (Middle + [HSwToV HalfStroke]) VERY-FAR
 		include : VBar.m Middle 0 (yAttach + HalfStroke)
 		if SLAB : include : HSerif.mb Middle 0 MidJutCenter