玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q3 (20)0.66-21.43-4.352.18-6.8474.4136.9426.223.5441.687.28-42.523.5354.82-84.23175.0920.71-4.0
24Q2 (19)0.8429.2329.232.3440.96131.68108.49-22.27-22.6538.85-28.98-56.72.28-44.53-92.93145.05-23.73-26.65
24Q1 (18)0.65-12.1618.181.661.2282.42139.5813.31-14.9454.70-1.21-45.344.11-34.76-86.73190.1710.4-18.44
23Q4 (17)0.747.255.711.6431.236.67123.18-6.87-4.5955.37-23.64-27.226.30-71.86-70.34172.26-5.55-6.35
23Q3 (16)0.696.156.151.2523.7616.82132.26-5.7-5.672.51-19.19-15.122.39-30.57-16.24182.39-7.76-8.25
23Q2 (15)0.6518.183.171.0110.99-0.98140.26-14.52-2.5689.73-10.330.9332.254.1-5.73197.74-15.2-0.45
23Q1 (14)0.55-21.43-3.510.91-24.17-17.27164.0927.13.51100.0731.5321.4130.9845.86-32.62233.1826.7719.6
22Q4 (13)0.707.6916.671.2012.15-5.51129.10-7.85-14.8776.08-10.926.321.24-20.54-53.32183.94-7.473.5
22Q3 (12)0.653.17-2.991.074.9-26.71140.10-2.672.4385.41-3.9336.7926.73-21.86-25.02198.780.0721.53
22Q2 (11)0.6310.53-17.111.02-7.27-40.0143.94-9.219.5488.907.8666.0434.21-25.621.66198.641.8936.21
22Q1 (10)0.57-5.0-18.571.10-13.39-37.85158.524.5322.7782.4215.1659.9545.981.05256.16194.969.716.23
21Q4 (9)0.60-10.45-28.571.27-13.01-41.74151.6510.8740.5171.5714.6271.845.5027.63828.57177.728.6522.83
21Q3 (8)0.67-11.84-24.721.46-14.12-21.93136.7813.633.362.4416.6228.0335.6526.78582.95163.5712.1611.9
21Q2 (7)0.768.57-2.561.70-3.9518.06120.41-6.753.0653.543.9-15.2828.12117.82349.92145.83-13.06-16.09
21Q1 (6)0.70-16.6714.751.77-18.8153.91129.1219.63-12.7451.5323.69-35.1512.91163.4763.01167.7315.92-23.59
20Q4 (5)0.84-5.626.332.1816.5865.15107.935.18-6.0841.66-14.58-39.654.90-6.13-23.08144.69-1.01-18.52
20Q3 (4)0.8914.10.01.8729.860.0102.61-12.180.048.77-22.830.05.22-16.480.0146.17-15.890.0
20Q2 (3)0.7827.870.01.4425.220.0116.84-21.040.063.20-20.460.06.25-21.090.0173.79-20.830.0
20Q1 (2)0.61-22.780.01.15-12.880.0147.9728.760.079.4615.110.07.9224.330.0219.5123.610.0
19Q4 (1)0.790.00.01.320.00.0114.920.00.069.030.00.06.370.00.0177.580.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)2.494.185.3616.02146.30-4.0268.08-13.8917.56-59.46196.824.6
2022 (9)2.39-15.554.62-24.63152.4217.9879.0632.8543.3137.71188.1719.66
2021 (8)2.832.176.131.83129.19-1.9159.51-1.831.45374.36157.26-15.31
2020 (7)2.77-5.146.0213.58131.715.3160.60-11.986.63-58.46185.684.34
2019 (6)2.92-11.255.30-13.96125.0712.7968.8516.1815.96-62.94177.9640.04
2018 (5)3.292.816.16-7.37110.89-2.9259.267.9843.07-16.45127.088.11
2017 (4)3.2013.486.65-2.64114.22-11.7954.882.6651.55133.26117.55-26.91
2016 (3)2.82-10.766.83-0.73129.4911.9453.460.722.1039.61160.845.17
2015 (2)3.1610.886.8811.15115.68-9.7953.09-10.0315.83-55.81152.941.0
2014 (1)2.85-20.836.19-33.23128.2326.6359.0149.8535.8212.04151.4339.35

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