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)1.23-1.614.951.671.21-0.673.891.47-13.0354.47-1.450.6888.331.95-1.4240.03-3.45-19.07
24Q2 (19)1.255.9310.621.6513.012.4872.82-5.45-9.355.27-11.45-1.9986.64-9.230.6941.46-5.75-18.1
24Q1 (18)1.188.2610.281.46-3.315.0477.02-7.65-9.7762.423.88-4.7395.45-0.53-0.5543.99-7.47-19.87
23Q4 (17)1.091.87-9.171.51-10.12-6.7983.40-1.8410.2460.0911.076.9495.967.111.0947.54-3.884.58
23Q3 (16)1.07-5.31-23.021.684.351.8284.965.8229.7954.10-4.06-2.1589.604.1317.7649.46-2.2910.77
23Q2 (15)1.135.61-18.711.6115.8324.8180.29-5.9422.3956.39-13.93-20.2286.05-10.350.6650.62-7.8-0.35
23Q1 (14)1.07-10.83-18.321.39-14.221.9385.3612.8422.7365.5216.6-17.8595.9811.11-5.154.9020.7713.97
22Q4 (13)1.20-13.67-18.371.62-1.8218.2575.6515.5722.1156.191.63-15.4486.3813.52-0.0745.461.818.34
22Q3 (12)1.390.08.591.6527.9128.9165.46-0.21-8.0455.29-21.77-22.476.09-11.0-16.2644.65-12.11-13.44
22Q2 (11)1.396.118.591.2913.16-3.0165.60-5.68-7.7970.68-11.383.1785.49-15.47-9.9950.805.4613.72
22Q1 (10)1.31-10.88-0.761.14-16.79-22.4569.5512.270.5679.7620.0328.42101.1417.01-2.4548.1714.874.59
21Q4 (9)1.4714.848.091.377.03-24.3161.95-12.97-7.3366.45-6.7432.4886.44-4.86-9.1641.96-18.6591.95
21Q3 (8)1.280.0-8.571.28-3.76-37.5671.180.069.3971.254.060.6990.86-4.3410.7251.5815.4788.59
21Q2 (7)1.28-3.03-8.571.33-9.52-25.771.142.869.3568.5110.334.9294.98-8.395.4344.6761.9173.48
21Q1 (6)1.32-2.9448.311.47-18.7818.5569.163.46-32.6862.1123.82-15.28103.688.95-31.1627.5926.218.45
20Q4 (5)1.36-2.8617.241.81-11.71-15.0266.852.74-14.8650.1613.1317.595.1615.96-0.2421.86-20.07-15.37
20Q3 (4)1.400.00.02.0514.530.065.070.020.044.34-12.680.082.06-8.910.027.356.210.0
20Q2 (3)1.4057.30.01.7944.350.065.06-36.680.050.78-30.730.090.09-40.180.025.751.220.0
20Q1 (2)0.89-23.280.01.24-41.780.0102.7430.850.073.3171.730.0150.6157.890.025.44-1.510.0
19Q4 (1)1.160.00.02.130.00.078.520.00.042.690.00.095.390.00.025.830.00.0
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)4.66-17.965.87-3.1478.2821.8462.203.3193.8310.646.6517.74
2022 (9)5.688.196.0613.9164.25-7.5460.21-12.2684.84-21.1139.6229.65
2021 (8)5.2527.435.32-8.2869.49-21.6368.629.01107.54-17.1130.5639.67
2020 (7)4.12-7.215.80-25.6488.677.9562.9534.57129.7419.7321.886.42
2019 (6)4.443.027.80-0.5182.14-2.9146.780.45108.36-2.9620.565.44
2018 (5)4.31-4.867.84-0.8884.604.9646.570.95111.67-1.9719.5052.11
2017 (4)4.53-0.667.91-2.8380.600.846.132.88113.910.012.8217.72
2016 (3)4.56-13.148.14-15.379.9614.9844.8418.09113.9116.4110.8912.62
2015 (2)5.25-7.899.61-6.3469.548.5437.976.7297.857.09.6717.93
2014 (1)5.700.8810.2622.2964.07-0.7935.58-18.2491.45-3.328.20-39.3

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